const INTERNAL_ERR: &'static str = "`ethabi_derive` internal error";
/// Contract's functions.
#[allow(dead_code, unused_imports, unused_variables)]
pub mod functions {
    use super::INTERNAL_ERR;
    #[derive(Debug, Clone, PartialEq)]
    pub struct Allowance {
        pub owner: Vec<u8>,
        pub spender: Vec<u8>,
    }
    impl Allowance {
        const METHOD_ID: [u8; 4] = [221u8, 98u8, 237u8, 62u8];
        pub fn decode(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<Self, String> {
            let maybe_data = call.input.get(4..);
            if maybe_data.is_none() {
                return Err("no data to decode".to_string());
            }
            let mut values = ethabi::decode(
                    &[ethabi::ParamType::Address, ethabi::ParamType::Address],
                    maybe_data.unwrap(),
                )
                .map_err(|e| format!("unable to decode call.input: {:?}", e))?;
            values.reverse();
            Ok(Self {
                owner: values
                    .pop()
                    .expect(INTERNAL_ERR)
                    .into_address()
                    .expect(INTERNAL_ERR)
                    .as_bytes()
                    .to_vec(),
                spender: values
                    .pop()
                    .expect(INTERNAL_ERR)
                    .into_address()
                    .expect(INTERNAL_ERR)
                    .as_bytes()
                    .to_vec(),
            })
        }
        pub fn encode(&self) -> Vec<u8> {
            let data = ethabi::encode(
                &[
                    ethabi::Token::Address(ethabi::Address::from_slice(&self.owner)),
                    ethabi::Token::Address(ethabi::Address::from_slice(&self.spender)),
                ],
            );
            let mut encoded = Vec::with_capacity(4 + data.len());
            encoded.extend(Self::METHOD_ID);
            encoded.extend(data);
            encoded
        }
        pub fn output_call(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<substreams::scalar::BigInt, String> {
            Self::output(call.return_data.as_ref())
        }
        pub fn output(data: &[u8]) -> Result<substreams::scalar::BigInt, String> {
            let mut values = ethabi::decode(
                    &[ethabi::ParamType::Uint(256usize)],
                    data.as_ref(),
                )
                .map_err(|e| format!("unable to decode output data: {:?}", e))?;
            Ok({
                let mut v = [0 as u8; 32];
                values
                    .pop()
                    .expect("one output data should have existed")
                    .into_uint()
                    .expect(INTERNAL_ERR)
                    .to_big_endian(v.as_mut_slice());
                substreams::scalar::BigInt::from_unsigned_bytes_be(&v)
            })
        }
        pub fn match_call(call: &substreams_ethereum::pb::eth::v2::Call) -> bool {
            match call.input.get(0..4) {
                Some(signature) => Self::METHOD_ID == signature,
                None => false,
            }
        }
        pub fn call(&self, address: Vec<u8>) -> Option<substreams::scalar::BigInt> {
            use substreams_ethereum::pb::eth::rpc;
            let rpc_calls = rpc::RpcCalls {
                calls: vec![rpc::RpcCall { to_addr : address, data : self.encode(), }],
            };
            let responses = substreams_ethereum::rpc::eth_call(&rpc_calls).responses;
            let response = responses.get(0).expect("one response should have existed");
            if response.failed {
                return None;
            }
            match Self::output(response.raw.as_ref()) {
                Ok(data) => Some(data),
                Err(err) => {
                    use substreams_ethereum::Function;
                    substreams::log::info!(
                        "Call output for function `{}` failed to decode with error: {}",
                        Self::NAME, err
                    );
                    None
                }
            }
        }
    }
    impl substreams_ethereum::Function for Allowance {
        const NAME: &'static str = "allowance";
        fn match_call(call: &substreams_ethereum::pb::eth::v2::Call) -> bool {
            Self::match_call(call)
        }
        fn decode(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<Self, String> {
            Self::decode(call)
        }
        fn encode(&self) -> Vec<u8> {
            self.encode()
        }
    }
    impl substreams_ethereum::rpc::RPCDecodable<substreams::scalar::BigInt>
    for Allowance {
        fn output(data: &[u8]) -> Result<substreams::scalar::BigInt, String> {
            Self::output(data)
        }
    }
    #[derive(Debug, Clone, PartialEq)]
    pub struct Approve {
        pub spender: Vec<u8>,
        pub amount: substreams::scalar::BigInt,
    }
    impl Approve {
        const METHOD_ID: [u8; 4] = [9u8, 94u8, 167u8, 179u8];
        pub fn decode(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<Self, String> {
            let maybe_data = call.input.get(4..);
            if maybe_data.is_none() {
                return Err("no data to decode".to_string());
            }
            let mut values = ethabi::decode(
                    &[ethabi::ParamType::Address, ethabi::ParamType::Uint(256usize)],
                    maybe_data.unwrap(),
                )
                .map_err(|e| format!("unable to decode call.input: {:?}", e))?;
            values.reverse();
            Ok(Self {
                spender: values
                    .pop()
                    .expect(INTERNAL_ERR)
                    .into_address()
                    .expect(INTERNAL_ERR)
                    .as_bytes()
                    .to_vec(),
                amount: {
                    let mut v = [0 as u8; 32];
                    values
                        .pop()
                        .expect(INTERNAL_ERR)
                        .into_uint()
                        .expect(INTERNAL_ERR)
                        .to_big_endian(v.as_mut_slice());
                    substreams::scalar::BigInt::from_unsigned_bytes_be(&v)
                },
            })
        }
        pub fn encode(&self) -> Vec<u8> {
            let data = ethabi::encode(
                &[
                    ethabi::Token::Address(ethabi::Address::from_slice(&self.spender)),
                    ethabi::Token::Uint(
                        ethabi::Uint::from_big_endian(
                            match self.amount.clone().to_bytes_be() {
                                (num_bigint::Sign::Plus, bytes) => bytes,
                                (num_bigint::Sign::NoSign, bytes) => bytes,
                                (num_bigint::Sign::Minus, _) => {
                                    panic!("negative numbers are not supported")
                                }
                            }
                                .as_slice(),
                        ),
                    ),
                ],
            );
            let mut encoded = Vec::with_capacity(4 + data.len());
            encoded.extend(Self::METHOD_ID);
            encoded.extend(data);
            encoded
        }
        pub fn output_call(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<bool, String> {
            Self::output(call.return_data.as_ref())
        }
        pub fn output(data: &[u8]) -> Result<bool, String> {
            let mut values = ethabi::decode(&[ethabi::ParamType::Bool], data.as_ref())
                .map_err(|e| format!("unable to decode output data: {:?}", e))?;
            Ok(
                values
                    .pop()
                    .expect("one output data should have existed")
                    .into_bool()
                    .expect(INTERNAL_ERR),
            )
        }
        pub fn match_call(call: &substreams_ethereum::pb::eth::v2::Call) -> bool {
            match call.input.get(0..4) {
                Some(signature) => Self::METHOD_ID == signature,
                None => false,
            }
        }
        pub fn call(&self, address: Vec<u8>) -> Option<bool> {
            use substreams_ethereum::pb::eth::rpc;
            let rpc_calls = rpc::RpcCalls {
                calls: vec![rpc::RpcCall { to_addr : address, data : self.encode(), }],
            };
            let responses = substreams_ethereum::rpc::eth_call(&rpc_calls).responses;
            let response = responses.get(0).expect("one response should have existed");
            if response.failed {
                return None;
            }
            match Self::output(response.raw.as_ref()) {
                Ok(data) => Some(data),
                Err(err) => {
                    use substreams_ethereum::Function;
                    substreams::log::info!(
                        "Call output for function `{}` failed to decode with error: {}",
                        Self::NAME, err
                    );
                    None
                }
            }
        }
    }
    impl substreams_ethereum::Function for Approve {
        const NAME: &'static str = "approve";
        fn match_call(call: &substreams_ethereum::pb::eth::v2::Call) -> bool {
            Self::match_call(call)
        }
        fn decode(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<Self, String> {
            Self::decode(call)
        }
        fn encode(&self) -> Vec<u8> {
            self.encode()
        }
    }
    impl substreams_ethereum::rpc::RPCDecodable<bool> for Approve {
        fn output(data: &[u8]) -> Result<bool, String> {
            Self::output(data)
        }
    }
    #[derive(Debug, Clone, PartialEq)]
    pub struct BalanceOf {
        pub account: Vec<u8>,
    }
    impl BalanceOf {
        const METHOD_ID: [u8; 4] = [112u8, 160u8, 130u8, 49u8];
        pub fn decode(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<Self, String> {
            let maybe_data = call.input.get(4..);
            if maybe_data.is_none() {
                return Err("no data to decode".to_string());
            }
            let mut values = ethabi::decode(
                    &[ethabi::ParamType::Address],
                    maybe_data.unwrap(),
                )
                .map_err(|e| format!("unable to decode call.input: {:?}", e))?;
            values.reverse();
            Ok(Self {
                account: values
                    .pop()
                    .expect(INTERNAL_ERR)
                    .into_address()
                    .expect(INTERNAL_ERR)
                    .as_bytes()
                    .to_vec(),
            })
        }
        pub fn encode(&self) -> Vec<u8> {
            let data = ethabi::encode(
                &[ethabi::Token::Address(ethabi::Address::from_slice(&self.account))],
            );
            let mut encoded = Vec::with_capacity(4 + data.len());
            encoded.extend(Self::METHOD_ID);
            encoded.extend(data);
            encoded
        }
        pub fn output_call(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<substreams::scalar::BigInt, String> {
            Self::output(call.return_data.as_ref())
        }
        pub fn output(data: &[u8]) -> Result<substreams::scalar::BigInt, String> {
            let mut values = ethabi::decode(
                    &[ethabi::ParamType::Uint(256usize)],
                    data.as_ref(),
                )
                .map_err(|e| format!("unable to decode output data: {:?}", e))?;
            Ok({
                let mut v = [0 as u8; 32];
                values
                    .pop()
                    .expect("one output data should have existed")
                    .into_uint()
                    .expect(INTERNAL_ERR)
                    .to_big_endian(v.as_mut_slice());
                substreams::scalar::BigInt::from_unsigned_bytes_be(&v)
            })
        }
        pub fn match_call(call: &substreams_ethereum::pb::eth::v2::Call) -> bool {
            match call.input.get(0..4) {
                Some(signature) => Self::METHOD_ID == signature,
                None => false,
            }
        }
        pub fn call(&self, address: Vec<u8>) -> Option<substreams::scalar::BigInt> {
            use substreams_ethereum::pb::eth::rpc;
            let rpc_calls = rpc::RpcCalls {
                calls: vec![rpc::RpcCall { to_addr : address, data : self.encode(), }],
            };
            let responses = substreams_ethereum::rpc::eth_call(&rpc_calls).responses;
            let response = responses.get(0).expect("one response should have existed");
            if response.failed {
                return None;
            }
            match Self::output(response.raw.as_ref()) {
                Ok(data) => Some(data),
                Err(err) => {
                    use substreams_ethereum::Function;
                    substreams::log::info!(
                        "Call output for function `{}` failed to decode with error: {}",
                        Self::NAME, err
                    );
                    None
                }
            }
        }
    }
    impl substreams_ethereum::Function for BalanceOf {
        const NAME: &'static str = "balanceOf";
        fn match_call(call: &substreams_ethereum::pb::eth::v2::Call) -> bool {
            Self::match_call(call)
        }
        fn decode(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<Self, String> {
            Self::decode(call)
        }
        fn encode(&self) -> Vec<u8> {
            self.encode()
        }
    }
    impl substreams_ethereum::rpc::RPCDecodable<substreams::scalar::BigInt>
    for BalanceOf {
        fn output(data: &[u8]) -> Result<substreams::scalar::BigInt, String> {
            Self::output(data)
        }
    }
    #[derive(Debug, Clone, PartialEq)]
    pub struct ComputeBalance {
        pub balances_live_scaled18: Vec<substreams::scalar::BigInt>,
        pub token_in_index: substreams::scalar::BigInt,
        pub invariant_ratio: substreams::scalar::BigInt,
    }
    impl ComputeBalance {
        const METHOD_ID: [u8; 4] = [22u8, 160u8, 179u8, 224u8];
        pub fn decode(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<Self, String> {
            let maybe_data = call.input.get(4..);
            if maybe_data.is_none() {
                return Err("no data to decode".to_string());
            }
            let mut values = ethabi::decode(
                    &[
                        ethabi::ParamType::Array(
                            Box::new(ethabi::ParamType::Uint(256usize)),
                        ),
                        ethabi::ParamType::Uint(256usize),
                        ethabi::ParamType::Uint(256usize),
                    ],
                    maybe_data.unwrap(),
                )
                .map_err(|e| format!("unable to decode call.input: {:?}", e))?;
            values.reverse();
            Ok(Self {
                balances_live_scaled18: values
                    .pop()
                    .expect(INTERNAL_ERR)
                    .into_array()
                    .expect(INTERNAL_ERR)
                    .into_iter()
                    .map(|inner| {
                        let mut v = [0 as u8; 32];
                        inner
                            .into_uint()
                            .expect(INTERNAL_ERR)
                            .to_big_endian(v.as_mut_slice());
                        substreams::scalar::BigInt::from_unsigned_bytes_be(&v)
                    })
                    .collect(),
                token_in_index: {
                    let mut v = [0 as u8; 32];
                    values
                        .pop()
                        .expect(INTERNAL_ERR)
                        .into_uint()
                        .expect(INTERNAL_ERR)
                        .to_big_endian(v.as_mut_slice());
                    substreams::scalar::BigInt::from_unsigned_bytes_be(&v)
                },
                invariant_ratio: {
                    let mut v = [0 as u8; 32];
                    values
                        .pop()
                        .expect(INTERNAL_ERR)
                        .into_uint()
                        .expect(INTERNAL_ERR)
                        .to_big_endian(v.as_mut_slice());
                    substreams::scalar::BigInt::from_unsigned_bytes_be(&v)
                },
            })
        }
        pub fn encode(&self) -> Vec<u8> {
            let data = ethabi::encode(
                &[
                    {
                        let v = self
                            .balances_live_scaled18
                            .iter()
                            .map(|inner| ethabi::Token::Uint(
                                ethabi::Uint::from_big_endian(
                                    match inner.clone().to_bytes_be() {
                                        (num_bigint::Sign::Plus, bytes) => bytes,
                                        (num_bigint::Sign::NoSign, bytes) => bytes,
                                        (num_bigint::Sign::Minus, _) => {
                                            panic!("negative numbers are not supported")
                                        }
                                    }
                                        .as_slice(),
                                ),
                            ))
                            .collect();
                        ethabi::Token::Array(v)
                    },
                    ethabi::Token::Uint(
                        ethabi::Uint::from_big_endian(
                            match self.token_in_index.clone().to_bytes_be() {
                                (num_bigint::Sign::Plus, bytes) => bytes,
                                (num_bigint::Sign::NoSign, bytes) => bytes,
                                (num_bigint::Sign::Minus, _) => {
                                    panic!("negative numbers are not supported")
                                }
                            }
                                .as_slice(),
                        ),
                    ),
                    ethabi::Token::Uint(
                        ethabi::Uint::from_big_endian(
                            match self.invariant_ratio.clone().to_bytes_be() {
                                (num_bigint::Sign::Plus, bytes) => bytes,
                                (num_bigint::Sign::NoSign, bytes) => bytes,
                                (num_bigint::Sign::Minus, _) => {
                                    panic!("negative numbers are not supported")
                                }
                            }
                                .as_slice(),
                        ),
                    ),
                ],
            );
            let mut encoded = Vec::with_capacity(4 + data.len());
            encoded.extend(Self::METHOD_ID);
            encoded.extend(data);
            encoded
        }
        pub fn output_call(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<substreams::scalar::BigInt, String> {
            Self::output(call.return_data.as_ref())
        }
        pub fn output(data: &[u8]) -> Result<substreams::scalar::BigInt, String> {
            let mut values = ethabi::decode(
                    &[ethabi::ParamType::Uint(256usize)],
                    data.as_ref(),
                )
                .map_err(|e| format!("unable to decode output data: {:?}", e))?;
            Ok({
                let mut v = [0 as u8; 32];
                values
                    .pop()
                    .expect("one output data should have existed")
                    .into_uint()
                    .expect(INTERNAL_ERR)
                    .to_big_endian(v.as_mut_slice());
                substreams::scalar::BigInt::from_unsigned_bytes_be(&v)
            })
        }
        pub fn match_call(call: &substreams_ethereum::pb::eth::v2::Call) -> bool {
            match call.input.get(0..4) {
                Some(signature) => Self::METHOD_ID == signature,
                None => false,
            }
        }
        pub fn call(&self, address: Vec<u8>) -> Option<substreams::scalar::BigInt> {
            use substreams_ethereum::pb::eth::rpc;
            let rpc_calls = rpc::RpcCalls {
                calls: vec![rpc::RpcCall { to_addr : address, data : self.encode(), }],
            };
            let responses = substreams_ethereum::rpc::eth_call(&rpc_calls).responses;
            let response = responses.get(0).expect("one response should have existed");
            if response.failed {
                return None;
            }
            match Self::output(response.raw.as_ref()) {
                Ok(data) => Some(data),
                Err(err) => {
                    use substreams_ethereum::Function;
                    substreams::log::info!(
                        "Call output for function `{}` failed to decode with error: {}",
                        Self::NAME, err
                    );
                    None
                }
            }
        }
    }
    impl substreams_ethereum::Function for ComputeBalance {
        const NAME: &'static str = "computeBalance";
        fn match_call(call: &substreams_ethereum::pb::eth::v2::Call) -> bool {
            Self::match_call(call)
        }
        fn decode(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<Self, String> {
            Self::decode(call)
        }
        fn encode(&self) -> Vec<u8> {
            self.encode()
        }
    }
    impl substreams_ethereum::rpc::RPCDecodable<substreams::scalar::BigInt>
    for ComputeBalance {
        fn output(data: &[u8]) -> Result<substreams::scalar::BigInt, String> {
            Self::output(data)
        }
    }
    #[derive(Debug, Clone, PartialEq)]
    pub struct ComputeInvariant {
        pub balances_live_scaled18: Vec<substreams::scalar::BigInt>,
        pub rounding: substreams::scalar::BigInt,
    }
    impl ComputeInvariant {
        const METHOD_ID: [u8; 4] = [152u8, 77u8, 233u8, 232u8];
        pub fn decode(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<Self, String> {
            let maybe_data = call.input.get(4..);
            if maybe_data.is_none() {
                return Err("no data to decode".to_string());
            }
            let mut values = ethabi::decode(
                    &[
                        ethabi::ParamType::Array(
                            Box::new(ethabi::ParamType::Uint(256usize)),
                        ),
                        ethabi::ParamType::Uint(8usize),
                    ],
                    maybe_data.unwrap(),
                )
                .map_err(|e| format!("unable to decode call.input: {:?}", e))?;
            values.reverse();
            Ok(Self {
                balances_live_scaled18: values
                    .pop()
                    .expect(INTERNAL_ERR)
                    .into_array()
                    .expect(INTERNAL_ERR)
                    .into_iter()
                    .map(|inner| {
                        let mut v = [0 as u8; 32];
                        inner
                            .into_uint()
                            .expect(INTERNAL_ERR)
                            .to_big_endian(v.as_mut_slice());
                        substreams::scalar::BigInt::from_unsigned_bytes_be(&v)
                    })
                    .collect(),
                rounding: {
                    let mut v = [0 as u8; 32];
                    values
                        .pop()
                        .expect(INTERNAL_ERR)
                        .into_uint()
                        .expect(INTERNAL_ERR)
                        .to_big_endian(v.as_mut_slice());
                    substreams::scalar::BigInt::from_unsigned_bytes_be(&v)
                },
            })
        }
        pub fn encode(&self) -> Vec<u8> {
            let data = ethabi::encode(
                &[
                    {
                        let v = self
                            .balances_live_scaled18
                            .iter()
                            .map(|inner| ethabi::Token::Uint(
                                ethabi::Uint::from_big_endian(
                                    match inner.clone().to_bytes_be() {
                                        (num_bigint::Sign::Plus, bytes) => bytes,
                                        (num_bigint::Sign::NoSign, bytes) => bytes,
                                        (num_bigint::Sign::Minus, _) => {
                                            panic!("negative numbers are not supported")
                                        }
                                    }
                                        .as_slice(),
                                ),
                            ))
                            .collect();
                        ethabi::Token::Array(v)
                    },
                    ethabi::Token::Uint(
                        ethabi::Uint::from_big_endian(
                            match self.rounding.clone().to_bytes_be() {
                                (num_bigint::Sign::Plus, bytes) => bytes,
                                (num_bigint::Sign::NoSign, bytes) => bytes,
                                (num_bigint::Sign::Minus, _) => {
                                    panic!("negative numbers are not supported")
                                }
                            }
                                .as_slice(),
                        ),
                    ),
                ],
            );
            let mut encoded = Vec::with_capacity(4 + data.len());
            encoded.extend(Self::METHOD_ID);
            encoded.extend(data);
            encoded
        }
        pub fn output_call(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<substreams::scalar::BigInt, String> {
            Self::output(call.return_data.as_ref())
        }
        pub fn output(data: &[u8]) -> Result<substreams::scalar::BigInt, String> {
            let mut values = ethabi::decode(
                    &[ethabi::ParamType::Uint(256usize)],
                    data.as_ref(),
                )
                .map_err(|e| format!("unable to decode output data: {:?}", e))?;
            Ok({
                let mut v = [0 as u8; 32];
                values
                    .pop()
                    .expect("one output data should have existed")
                    .into_uint()
                    .expect(INTERNAL_ERR)
                    .to_big_endian(v.as_mut_slice());
                substreams::scalar::BigInt::from_unsigned_bytes_be(&v)
            })
        }
        pub fn match_call(call: &substreams_ethereum::pb::eth::v2::Call) -> bool {
            match call.input.get(0..4) {
                Some(signature) => Self::METHOD_ID == signature,
                None => false,
            }
        }
        pub fn call(&self, address: Vec<u8>) -> Option<substreams::scalar::BigInt> {
            use substreams_ethereum::pb::eth::rpc;
            let rpc_calls = rpc::RpcCalls {
                calls: vec![rpc::RpcCall { to_addr : address, data : self.encode(), }],
            };
            let responses = substreams_ethereum::rpc::eth_call(&rpc_calls).responses;
            let response = responses.get(0).expect("one response should have existed");
            if response.failed {
                return None;
            }
            match Self::output(response.raw.as_ref()) {
                Ok(data) => Some(data),
                Err(err) => {
                    use substreams_ethereum::Function;
                    substreams::log::info!(
                        "Call output for function `{}` failed to decode with error: {}",
                        Self::NAME, err
                    );
                    None
                }
            }
        }
    }
    impl substreams_ethereum::Function for ComputeInvariant {
        const NAME: &'static str = "computeInvariant";
        fn match_call(call: &substreams_ethereum::pb::eth::v2::Call) -> bool {
            Self::match_call(call)
        }
        fn decode(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<Self, String> {
            Self::decode(call)
        }
        fn encode(&self) -> Vec<u8> {
            self.encode()
        }
    }
    impl substreams_ethereum::rpc::RPCDecodable<substreams::scalar::BigInt>
    for ComputeInvariant {
        fn output(data: &[u8]) -> Result<substreams::scalar::BigInt, String> {
            Self::output(data)
        }
    }
    #[derive(Debug, Clone, PartialEq)]
    pub struct Decimals {}
    impl Decimals {
        const METHOD_ID: [u8; 4] = [49u8, 60u8, 229u8, 103u8];
        pub fn decode(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<Self, String> {
            Ok(Self {})
        }
        pub fn encode(&self) -> Vec<u8> {
            let data = ethabi::encode(&[]);
            let mut encoded = Vec::with_capacity(4 + data.len());
            encoded.extend(Self::METHOD_ID);
            encoded.extend(data);
            encoded
        }
        pub fn output_call(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<substreams::scalar::BigInt, String> {
            Self::output(call.return_data.as_ref())
        }
        pub fn output(data: &[u8]) -> Result<substreams::scalar::BigInt, String> {
            let mut values = ethabi::decode(
                    &[ethabi::ParamType::Uint(8usize)],
                    data.as_ref(),
                )
                .map_err(|e| format!("unable to decode output data: {:?}", e))?;
            Ok({
                let mut v = [0 as u8; 32];
                values
                    .pop()
                    .expect("one output data should have existed")
                    .into_uint()
                    .expect(INTERNAL_ERR)
                    .to_big_endian(v.as_mut_slice());
                substreams::scalar::BigInt::from_unsigned_bytes_be(&v)
            })
        }
        pub fn match_call(call: &substreams_ethereum::pb::eth::v2::Call) -> bool {
            match call.input.get(0..4) {
                Some(signature) => Self::METHOD_ID == signature,
                None => false,
            }
        }
        pub fn call(&self, address: Vec<u8>) -> Option<substreams::scalar::BigInt> {
            use substreams_ethereum::pb::eth::rpc;
            let rpc_calls = rpc::RpcCalls {
                calls: vec![rpc::RpcCall { to_addr : address, data : self.encode(), }],
            };
            let responses = substreams_ethereum::rpc::eth_call(&rpc_calls).responses;
            let response = responses.get(0).expect("one response should have existed");
            if response.failed {
                return None;
            }
            match Self::output(response.raw.as_ref()) {
                Ok(data) => Some(data),
                Err(err) => {
                    use substreams_ethereum::Function;
                    substreams::log::info!(
                        "Call output for function `{}` failed to decode with error: {}",
                        Self::NAME, err
                    );
                    None
                }
            }
        }
    }
    impl substreams_ethereum::Function for Decimals {
        const NAME: &'static str = "decimals";
        fn match_call(call: &substreams_ethereum::pb::eth::v2::Call) -> bool {
            Self::match_call(call)
        }
        fn decode(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<Self, String> {
            Self::decode(call)
        }
        fn encode(&self) -> Vec<u8> {
            self.encode()
        }
    }
    impl substreams_ethereum::rpc::RPCDecodable<substreams::scalar::BigInt>
    for Decimals {
        fn output(data: &[u8]) -> Result<substreams::scalar::BigInt, String> {
            Self::output(data)
        }
    }
    #[derive(Debug, Clone, PartialEq)]
    pub struct DomainSeparator {}
    impl DomainSeparator {
        const METHOD_ID: [u8; 4] = [54u8, 68u8, 229u8, 21u8];
        pub fn decode(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<Self, String> {
            Ok(Self {})
        }
        pub fn encode(&self) -> Vec<u8> {
            let data = ethabi::encode(&[]);
            let mut encoded = Vec::with_capacity(4 + data.len());
            encoded.extend(Self::METHOD_ID);
            encoded.extend(data);
            encoded
        }
        pub fn output_call(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<[u8; 32usize], String> {
            Self::output(call.return_data.as_ref())
        }
        pub fn output(data: &[u8]) -> Result<[u8; 32usize], String> {
            let mut values = ethabi::decode(
                    &[ethabi::ParamType::FixedBytes(32usize)],
                    data.as_ref(),
                )
                .map_err(|e| format!("unable to decode output data: {:?}", e))?;
            Ok({
                let mut result = [0u8; 32];
                let v = values
                    .pop()
                    .expect("one output data should have existed")
                    .into_fixed_bytes()
                    .expect(INTERNAL_ERR);
                result.copy_from_slice(&v);
                result
            })
        }
        pub fn match_call(call: &substreams_ethereum::pb::eth::v2::Call) -> bool {
            match call.input.get(0..4) {
                Some(signature) => Self::METHOD_ID == signature,
                None => false,
            }
        }
        pub fn call(&self, address: Vec<u8>) -> Option<[u8; 32usize]> {
            use substreams_ethereum::pb::eth::rpc;
            let rpc_calls = rpc::RpcCalls {
                calls: vec![rpc::RpcCall { to_addr : address, data : self.encode(), }],
            };
            let responses = substreams_ethereum::rpc::eth_call(&rpc_calls).responses;
            let response = responses.get(0).expect("one response should have existed");
            if response.failed {
                return None;
            }
            match Self::output(response.raw.as_ref()) {
                Ok(data) => Some(data),
                Err(err) => {
                    use substreams_ethereum::Function;
                    substreams::log::info!(
                        "Call output for function `{}` failed to decode with error: {}",
                        Self::NAME, err
                    );
                    None
                }
            }
        }
    }
    impl substreams_ethereum::Function for DomainSeparator {
        const NAME: &'static str = "DOMAIN_SEPARATOR";
        fn match_call(call: &substreams_ethereum::pb::eth::v2::Call) -> bool {
            Self::match_call(call)
        }
        fn decode(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<Self, String> {
            Self::decode(call)
        }
        fn encode(&self) -> Vec<u8> {
            self.encode()
        }
    }
    impl substreams_ethereum::rpc::RPCDecodable<[u8; 32usize]> for DomainSeparator {
        fn output(data: &[u8]) -> Result<[u8; 32usize], String> {
            Self::output(data)
        }
    }
    #[derive(Debug, Clone, PartialEq)]
    pub struct Eip712Domain {}
    impl Eip712Domain {
        const METHOD_ID: [u8; 4] = [132u8, 176u8, 25u8, 110u8];
        pub fn decode(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<Self, String> {
            Ok(Self {})
        }
        pub fn encode(&self) -> Vec<u8> {
            let data = ethabi::encode(&[]);
            let mut encoded = Vec::with_capacity(4 + data.len());
            encoded.extend(Self::METHOD_ID);
            encoded.extend(data);
            encoded
        }
        pub fn output_call(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<
            (
                [u8; 1usize],
                String,
                String,
                substreams::scalar::BigInt,
                Vec<u8>,
                [u8; 32usize],
                Vec<substreams::scalar::BigInt>,
            ),
            String,
        > {
            Self::output(call.return_data.as_ref())
        }
        pub fn output(
            data: &[u8],
        ) -> Result<
            (
                [u8; 1usize],
                String,
                String,
                substreams::scalar::BigInt,
                Vec<u8>,
                [u8; 32usize],
                Vec<substreams::scalar::BigInt>,
            ),
            String,
        > {
            let mut values = ethabi::decode(
                    &[
                        ethabi::ParamType::FixedBytes(1usize),
                        ethabi::ParamType::String,
                        ethabi::ParamType::String,
                        ethabi::ParamType::Uint(256usize),
                        ethabi::ParamType::Address,
                        ethabi::ParamType::FixedBytes(32usize),
                        ethabi::ParamType::Array(
                            Box::new(ethabi::ParamType::Uint(256usize)),
                        ),
                    ],
                    data.as_ref(),
                )
                .map_err(|e| format!("unable to decode output data: {:?}", e))?;
            values.reverse();
            Ok((
                {
                    let mut result = [0u8; 1];
                    let v = values
                        .pop()
                        .expect(INTERNAL_ERR)
                        .into_fixed_bytes()
                        .expect(INTERNAL_ERR);
                    result.copy_from_slice(&v);
                    result
                },
                values.pop().expect(INTERNAL_ERR).into_string().expect(INTERNAL_ERR),
                values.pop().expect(INTERNAL_ERR).into_string().expect(INTERNAL_ERR),
                {
                    let mut v = [0 as u8; 32];
                    values
                        .pop()
                        .expect(INTERNAL_ERR)
                        .into_uint()
                        .expect(INTERNAL_ERR)
                        .to_big_endian(v.as_mut_slice());
                    substreams::scalar::BigInt::from_unsigned_bytes_be(&v)
                },
                values
                    .pop()
                    .expect(INTERNAL_ERR)
                    .into_address()
                    .expect(INTERNAL_ERR)
                    .as_bytes()
                    .to_vec(),
                {
                    let mut result = [0u8; 32];
                    let v = values
                        .pop()
                        .expect(INTERNAL_ERR)
                        .into_fixed_bytes()
                        .expect(INTERNAL_ERR);
                    result.copy_from_slice(&v);
                    result
                },
                values
                    .pop()
                    .expect(INTERNAL_ERR)
                    .into_array()
                    .expect(INTERNAL_ERR)
                    .into_iter()
                    .map(|inner| {
                        let mut v = [0 as u8; 32];
                        inner
                            .into_uint()
                            .expect(INTERNAL_ERR)
                            .to_big_endian(v.as_mut_slice());
                        substreams::scalar::BigInt::from_unsigned_bytes_be(&v)
                    })
                    .collect(),
            ))
        }
        pub fn match_call(call: &substreams_ethereum::pb::eth::v2::Call) -> bool {
            match call.input.get(0..4) {
                Some(signature) => Self::METHOD_ID == signature,
                None => false,
            }
        }
        pub fn call(
            &self,
            address: Vec<u8>,
        ) -> Option<
            (
                [u8; 1usize],
                String,
                String,
                substreams::scalar::BigInt,
                Vec<u8>,
                [u8; 32usize],
                Vec<substreams::scalar::BigInt>,
            ),
        > {
            use substreams_ethereum::pb::eth::rpc;
            let rpc_calls = rpc::RpcCalls {
                calls: vec![rpc::RpcCall { to_addr : address, data : self.encode(), }],
            };
            let responses = substreams_ethereum::rpc::eth_call(&rpc_calls).responses;
            let response = responses.get(0).expect("one response should have existed");
            if response.failed {
                return None;
            }
            match Self::output(response.raw.as_ref()) {
                Ok(data) => Some(data),
                Err(err) => {
                    use substreams_ethereum::Function;
                    substreams::log::info!(
                        "Call output for function `{}` failed to decode with error: {}",
                        Self::NAME, err
                    );
                    None
                }
            }
        }
    }
    impl substreams_ethereum::Function for Eip712Domain {
        const NAME: &'static str = "eip712Domain";
        fn match_call(call: &substreams_ethereum::pb::eth::v2::Call) -> bool {
            Self::match_call(call)
        }
        fn decode(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<Self, String> {
            Self::decode(call)
        }
        fn encode(&self) -> Vec<u8> {
            self.encode()
        }
    }
    impl substreams_ethereum::rpc::RPCDecodable<
        (
            [u8; 1usize],
            String,
            String,
            substreams::scalar::BigInt,
            Vec<u8>,
            [u8; 32usize],
            Vec<substreams::scalar::BigInt>,
        ),
    > for Eip712Domain {
        fn output(
            data: &[u8],
        ) -> Result<
            (
                [u8; 1usize],
                String,
                String,
                substreams::scalar::BigInt,
                Vec<u8>,
                [u8; 32usize],
                Vec<substreams::scalar::BigInt>,
            ),
            String,
        > {
            Self::output(data)
        }
    }
    #[derive(Debug, Clone, PartialEq)]
    pub struct EmitApproval {
        pub owner: Vec<u8>,
        pub spender: Vec<u8>,
        pub amount: substreams::scalar::BigInt,
    }
    impl EmitApproval {
        const METHOD_ID: [u8; 4] = [86u8, 135u8, 242u8, 184u8];
        pub fn decode(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<Self, String> {
            let maybe_data = call.input.get(4..);
            if maybe_data.is_none() {
                return Err("no data to decode".to_string());
            }
            let mut values = ethabi::decode(
                    &[
                        ethabi::ParamType::Address,
                        ethabi::ParamType::Address,
                        ethabi::ParamType::Uint(256usize),
                    ],
                    maybe_data.unwrap(),
                )
                .map_err(|e| format!("unable to decode call.input: {:?}", e))?;
            values.reverse();
            Ok(Self {
                owner: values
                    .pop()
                    .expect(INTERNAL_ERR)
                    .into_address()
                    .expect(INTERNAL_ERR)
                    .as_bytes()
                    .to_vec(),
                spender: values
                    .pop()
                    .expect(INTERNAL_ERR)
                    .into_address()
                    .expect(INTERNAL_ERR)
                    .as_bytes()
                    .to_vec(),
                amount: {
                    let mut v = [0 as u8; 32];
                    values
                        .pop()
                        .expect(INTERNAL_ERR)
                        .into_uint()
                        .expect(INTERNAL_ERR)
                        .to_big_endian(v.as_mut_slice());
                    substreams::scalar::BigInt::from_unsigned_bytes_be(&v)
                },
            })
        }
        pub fn encode(&self) -> Vec<u8> {
            let data = ethabi::encode(
                &[
                    ethabi::Token::Address(ethabi::Address::from_slice(&self.owner)),
                    ethabi::Token::Address(ethabi::Address::from_slice(&self.spender)),
                    ethabi::Token::Uint(
                        ethabi::Uint::from_big_endian(
                            match self.amount.clone().to_bytes_be() {
                                (num_bigint::Sign::Plus, bytes) => bytes,
                                (num_bigint::Sign::NoSign, bytes) => bytes,
                                (num_bigint::Sign::Minus, _) => {
                                    panic!("negative numbers are not supported")
                                }
                            }
                                .as_slice(),
                        ),
                    ),
                ],
            );
            let mut encoded = Vec::with_capacity(4 + data.len());
            encoded.extend(Self::METHOD_ID);
            encoded.extend(data);
            encoded
        }
        pub fn match_call(call: &substreams_ethereum::pb::eth::v2::Call) -> bool {
            match call.input.get(0..4) {
                Some(signature) => Self::METHOD_ID == signature,
                None => false,
            }
        }
    }
    impl substreams_ethereum::Function for EmitApproval {
        const NAME: &'static str = "emitApproval";
        fn match_call(call: &substreams_ethereum::pb::eth::v2::Call) -> bool {
            Self::match_call(call)
        }
        fn decode(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<Self, String> {
            Self::decode(call)
        }
        fn encode(&self) -> Vec<u8> {
            self.encode()
        }
    }
    #[derive(Debug, Clone, PartialEq)]
    pub struct EmitTransfer {
        pub from: Vec<u8>,
        pub to: Vec<u8>,
        pub amount: substreams::scalar::BigInt,
    }
    impl EmitTransfer {
        const METHOD_ID: [u8; 4] = [35u8, 222u8, 102u8, 81u8];
        pub fn decode(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<Self, String> {
            let maybe_data = call.input.get(4..);
            if maybe_data.is_none() {
                return Err("no data to decode".to_string());
            }
            let mut values = ethabi::decode(
                    &[
                        ethabi::ParamType::Address,
                        ethabi::ParamType::Address,
                        ethabi::ParamType::Uint(256usize),
                    ],
                    maybe_data.unwrap(),
                )
                .map_err(|e| format!("unable to decode call.input: {:?}", e))?;
            values.reverse();
            Ok(Self {
                from: values
                    .pop()
                    .expect(INTERNAL_ERR)
                    .into_address()
                    .expect(INTERNAL_ERR)
                    .as_bytes()
                    .to_vec(),
                to: values
                    .pop()
                    .expect(INTERNAL_ERR)
                    .into_address()
                    .expect(INTERNAL_ERR)
                    .as_bytes()
                    .to_vec(),
                amount: {
                    let mut v = [0 as u8; 32];
                    values
                        .pop()
                        .expect(INTERNAL_ERR)
                        .into_uint()
                        .expect(INTERNAL_ERR)
                        .to_big_endian(v.as_mut_slice());
                    substreams::scalar::BigInt::from_unsigned_bytes_be(&v)
                },
            })
        }
        pub fn encode(&self) -> Vec<u8> {
            let data = ethabi::encode(
                &[
                    ethabi::Token::Address(ethabi::Address::from_slice(&self.from)),
                    ethabi::Token::Address(ethabi::Address::from_slice(&self.to)),
                    ethabi::Token::Uint(
                        ethabi::Uint::from_big_endian(
                            match self.amount.clone().to_bytes_be() {
                                (num_bigint::Sign::Plus, bytes) => bytes,
                                (num_bigint::Sign::NoSign, bytes) => bytes,
                                (num_bigint::Sign::Minus, _) => {
                                    panic!("negative numbers are not supported")
                                }
                            }
                                .as_slice(),
                        ),
                    ),
                ],
            );
            let mut encoded = Vec::with_capacity(4 + data.len());
            encoded.extend(Self::METHOD_ID);
            encoded.extend(data);
            encoded
        }
        pub fn match_call(call: &substreams_ethereum::pb::eth::v2::Call) -> bool {
            match call.input.get(0..4) {
                Some(signature) => Self::METHOD_ID == signature,
                None => false,
            }
        }
    }
    impl substreams_ethereum::Function for EmitTransfer {
        const NAME: &'static str = "emitTransfer";
        fn match_call(call: &substreams_ethereum::pb::eth::v2::Call) -> bool {
            Self::match_call(call)
        }
        fn decode(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<Self, String> {
            Self::decode(call)
        }
        fn encode(&self) -> Vec<u8> {
            self.encode()
        }
    }
    #[derive(Debug, Clone, PartialEq)]
    pub struct GetAggregateFeePercentages {}
    impl GetAggregateFeePercentages {
        const METHOD_ID: [u8; 4] = [129u8, 250u8, 128u8, 124u8];
        pub fn decode(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<Self, String> {
            Ok(Self {})
        }
        pub fn encode(&self) -> Vec<u8> {
            let data = ethabi::encode(&[]);
            let mut encoded = Vec::with_capacity(4 + data.len());
            encoded.extend(Self::METHOD_ID);
            encoded.extend(data);
            encoded
        }
        pub fn output_call(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<(substreams::scalar::BigInt, substreams::scalar::BigInt), String> {
            Self::output(call.return_data.as_ref())
        }
        pub fn output(
            data: &[u8],
        ) -> Result<(substreams::scalar::BigInt, substreams::scalar::BigInt), String> {
            let mut values = ethabi::decode(
                    &[
                        ethabi::ParamType::Uint(256usize),
                        ethabi::ParamType::Uint(256usize),
                    ],
                    data.as_ref(),
                )
                .map_err(|e| format!("unable to decode output data: {:?}", e))?;
            values.reverse();
            Ok((
                {
                    let mut v = [0 as u8; 32];
                    values
                        .pop()
                        .expect(INTERNAL_ERR)
                        .into_uint()
                        .expect(INTERNAL_ERR)
                        .to_big_endian(v.as_mut_slice());
                    substreams::scalar::BigInt::from_unsigned_bytes_be(&v)
                },
                {
                    let mut v = [0 as u8; 32];
                    values
                        .pop()
                        .expect(INTERNAL_ERR)
                        .into_uint()
                        .expect(INTERNAL_ERR)
                        .to_big_endian(v.as_mut_slice());
                    substreams::scalar::BigInt::from_unsigned_bytes_be(&v)
                },
            ))
        }
        pub fn match_call(call: &substreams_ethereum::pb::eth::v2::Call) -> bool {
            match call.input.get(0..4) {
                Some(signature) => Self::METHOD_ID == signature,
                None => false,
            }
        }
        pub fn call(
            &self,
            address: Vec<u8>,
        ) -> Option<(substreams::scalar::BigInt, substreams::scalar::BigInt)> {
            use substreams_ethereum::pb::eth::rpc;
            let rpc_calls = rpc::RpcCalls {
                calls: vec![rpc::RpcCall { to_addr : address, data : self.encode(), }],
            };
            let responses = substreams_ethereum::rpc::eth_call(&rpc_calls).responses;
            let response = responses.get(0).expect("one response should have existed");
            if response.failed {
                return None;
            }
            match Self::output(response.raw.as_ref()) {
                Ok(data) => Some(data),
                Err(err) => {
                    use substreams_ethereum::Function;
                    substreams::log::info!(
                        "Call output for function `{}` failed to decode with error: {}",
                        Self::NAME, err
                    );
                    None
                }
            }
        }
    }
    impl substreams_ethereum::Function for GetAggregateFeePercentages {
        const NAME: &'static str = "getAggregateFeePercentages";
        fn match_call(call: &substreams_ethereum::pb::eth::v2::Call) -> bool {
            Self::match_call(call)
        }
        fn decode(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<Self, String> {
            Self::decode(call)
        }
        fn encode(&self) -> Vec<u8> {
            self.encode()
        }
    }
    impl substreams_ethereum::rpc::RPCDecodable<
        (substreams::scalar::BigInt, substreams::scalar::BigInt),
    > for GetAggregateFeePercentages {
        fn output(
            data: &[u8],
        ) -> Result<(substreams::scalar::BigInt, substreams::scalar::BigInt), String> {
            Self::output(data)
        }
    }
    #[derive(Debug, Clone, PartialEq)]
    pub struct GetCurrentLiveBalances {}
    impl GetCurrentLiveBalances {
        const METHOD_ID: [u8; 4] = [177u8, 86u8, 170u8, 10u8];
        pub fn decode(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<Self, String> {
            Ok(Self {})
        }
        pub fn encode(&self) -> Vec<u8> {
            let data = ethabi::encode(&[]);
            let mut encoded = Vec::with_capacity(4 + data.len());
            encoded.extend(Self::METHOD_ID);
            encoded.extend(data);
            encoded
        }
        pub fn output_call(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<Vec<substreams::scalar::BigInt>, String> {
            Self::output(call.return_data.as_ref())
        }
        pub fn output(data: &[u8]) -> Result<Vec<substreams::scalar::BigInt>, String> {
            let mut values = ethabi::decode(
                    &[
                        ethabi::ParamType::Array(
                            Box::new(ethabi::ParamType::Uint(256usize)),
                        ),
                    ],
                    data.as_ref(),
                )
                .map_err(|e| format!("unable to decode output data: {:?}", e))?;
            Ok(
                values
                    .pop()
                    .expect("one output data should have existed")
                    .into_array()
                    .expect(INTERNAL_ERR)
                    .into_iter()
                    .map(|inner| {
                        let mut v = [0 as u8; 32];
                        inner
                            .into_uint()
                            .expect(INTERNAL_ERR)
                            .to_big_endian(v.as_mut_slice());
                        substreams::scalar::BigInt::from_unsigned_bytes_be(&v)
                    })
                    .collect(),
            )
        }
        pub fn match_call(call: &substreams_ethereum::pb::eth::v2::Call) -> bool {
            match call.input.get(0..4) {
                Some(signature) => Self::METHOD_ID == signature,
                None => false,
            }
        }
        pub fn call(&self, address: Vec<u8>) -> Option<Vec<substreams::scalar::BigInt>> {
            use substreams_ethereum::pb::eth::rpc;
            let rpc_calls = rpc::RpcCalls {
                calls: vec![rpc::RpcCall { to_addr : address, data : self.encode(), }],
            };
            let responses = substreams_ethereum::rpc::eth_call(&rpc_calls).responses;
            let response = responses.get(0).expect("one response should have existed");
            if response.failed {
                return None;
            }
            match Self::output(response.raw.as_ref()) {
                Ok(data) => Some(data),
                Err(err) => {
                    use substreams_ethereum::Function;
                    substreams::log::info!(
                        "Call output for function `{}` failed to decode with error: {}",
                        Self::NAME, err
                    );
                    None
                }
            }
        }
    }
    impl substreams_ethereum::Function for GetCurrentLiveBalances {
        const NAME: &'static str = "getCurrentLiveBalances";
        fn match_call(call: &substreams_ethereum::pb::eth::v2::Call) -> bool {
            Self::match_call(call)
        }
        fn decode(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<Self, String> {
            Self::decode(call)
        }
        fn encode(&self) -> Vec<u8> {
            self.encode()
        }
    }
    impl substreams_ethereum::rpc::RPCDecodable<Vec<substreams::scalar::BigInt>>
    for GetCurrentLiveBalances {
        fn output(data: &[u8]) -> Result<Vec<substreams::scalar::BigInt>, String> {
            Self::output(data)
        }
    }
    #[derive(Debug, Clone, PartialEq)]
    pub struct GetMaximumInvariantRatio {}
    impl GetMaximumInvariantRatio {
        const METHOD_ID: [u8; 4] = [39u8, 60u8, 26u8, 223u8];
        pub fn decode(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<Self, String> {
            Ok(Self {})
        }
        pub fn encode(&self) -> Vec<u8> {
            let data = ethabi::encode(&[]);
            let mut encoded = Vec::with_capacity(4 + data.len());
            encoded.extend(Self::METHOD_ID);
            encoded.extend(data);
            encoded
        }
        pub fn output_call(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<substreams::scalar::BigInt, String> {
            Self::output(call.return_data.as_ref())
        }
        pub fn output(data: &[u8]) -> Result<substreams::scalar::BigInt, String> {
            let mut values = ethabi::decode(
                    &[ethabi::ParamType::Uint(256usize)],
                    data.as_ref(),
                )
                .map_err(|e| format!("unable to decode output data: {:?}", e))?;
            Ok({
                let mut v = [0 as u8; 32];
                values
                    .pop()
                    .expect("one output data should have existed")
                    .into_uint()
                    .expect(INTERNAL_ERR)
                    .to_big_endian(v.as_mut_slice());
                substreams::scalar::BigInt::from_unsigned_bytes_be(&v)
            })
        }
        pub fn match_call(call: &substreams_ethereum::pb::eth::v2::Call) -> bool {
            match call.input.get(0..4) {
                Some(signature) => Self::METHOD_ID == signature,
                None => false,
            }
        }
        pub fn call(&self, address: Vec<u8>) -> Option<substreams::scalar::BigInt> {
            use substreams_ethereum::pb::eth::rpc;
            let rpc_calls = rpc::RpcCalls {
                calls: vec![rpc::RpcCall { to_addr : address, data : self.encode(), }],
            };
            let responses = substreams_ethereum::rpc::eth_call(&rpc_calls).responses;
            let response = responses.get(0).expect("one response should have existed");
            if response.failed {
                return None;
            }
            match Self::output(response.raw.as_ref()) {
                Ok(data) => Some(data),
                Err(err) => {
                    use substreams_ethereum::Function;
                    substreams::log::info!(
                        "Call output for function `{}` failed to decode with error: {}",
                        Self::NAME, err
                    );
                    None
                }
            }
        }
    }
    impl substreams_ethereum::Function for GetMaximumInvariantRatio {
        const NAME: &'static str = "getMaximumInvariantRatio";
        fn match_call(call: &substreams_ethereum::pb::eth::v2::Call) -> bool {
            Self::match_call(call)
        }
        fn decode(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<Self, String> {
            Self::decode(call)
        }
        fn encode(&self) -> Vec<u8> {
            self.encode()
        }
    }
    impl substreams_ethereum::rpc::RPCDecodable<substreams::scalar::BigInt>
    for GetMaximumInvariantRatio {
        fn output(data: &[u8]) -> Result<substreams::scalar::BigInt, String> {
            Self::output(data)
        }
    }
    #[derive(Debug, Clone, PartialEq)]
    pub struct GetMaximumSwapFeePercentage {}
    impl GetMaximumSwapFeePercentage {
        const METHOD_ID: [u8; 4] = [101u8, 76u8, 241u8, 93u8];
        pub fn decode(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<Self, String> {
            Ok(Self {})
        }
        pub fn encode(&self) -> Vec<u8> {
            let data = ethabi::encode(&[]);
            let mut encoded = Vec::with_capacity(4 + data.len());
            encoded.extend(Self::METHOD_ID);
            encoded.extend(data);
            encoded
        }
        pub fn output_call(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<substreams::scalar::BigInt, String> {
            Self::output(call.return_data.as_ref())
        }
        pub fn output(data: &[u8]) -> Result<substreams::scalar::BigInt, String> {
            let mut values = ethabi::decode(
                    &[ethabi::ParamType::Uint(256usize)],
                    data.as_ref(),
                )
                .map_err(|e| format!("unable to decode output data: {:?}", e))?;
            Ok({
                let mut v = [0 as u8; 32];
                values
                    .pop()
                    .expect("one output data should have existed")
                    .into_uint()
                    .expect(INTERNAL_ERR)
                    .to_big_endian(v.as_mut_slice());
                substreams::scalar::BigInt::from_unsigned_bytes_be(&v)
            })
        }
        pub fn match_call(call: &substreams_ethereum::pb::eth::v2::Call) -> bool {
            match call.input.get(0..4) {
                Some(signature) => Self::METHOD_ID == signature,
                None => false,
            }
        }
        pub fn call(&self, address: Vec<u8>) -> Option<substreams::scalar::BigInt> {
            use substreams_ethereum::pb::eth::rpc;
            let rpc_calls = rpc::RpcCalls {
                calls: vec![rpc::RpcCall { to_addr : address, data : self.encode(), }],
            };
            let responses = substreams_ethereum::rpc::eth_call(&rpc_calls).responses;
            let response = responses.get(0).expect("one response should have existed");
            if response.failed {
                return None;
            }
            match Self::output(response.raw.as_ref()) {
                Ok(data) => Some(data),
                Err(err) => {
                    use substreams_ethereum::Function;
                    substreams::log::info!(
                        "Call output for function `{}` failed to decode with error: {}",
                        Self::NAME, err
                    );
                    None
                }
            }
        }
    }
    impl substreams_ethereum::Function for GetMaximumSwapFeePercentage {
        const NAME: &'static str = "getMaximumSwapFeePercentage";
        fn match_call(call: &substreams_ethereum::pb::eth::v2::Call) -> bool {
            Self::match_call(call)
        }
        fn decode(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<Self, String> {
            Self::decode(call)
        }
        fn encode(&self) -> Vec<u8> {
            self.encode()
        }
    }
    impl substreams_ethereum::rpc::RPCDecodable<substreams::scalar::BigInt>
    for GetMaximumSwapFeePercentage {
        fn output(data: &[u8]) -> Result<substreams::scalar::BigInt, String> {
            Self::output(data)
        }
    }
    #[derive(Debug, Clone, PartialEq)]
    pub struct GetMinimumInvariantRatio {}
    impl GetMinimumInvariantRatio {
        const METHOD_ID: [u8; 4] = [182u8, 119u8, 250u8, 86u8];
        pub fn decode(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<Self, String> {
            Ok(Self {})
        }
        pub fn encode(&self) -> Vec<u8> {
            let data = ethabi::encode(&[]);
            let mut encoded = Vec::with_capacity(4 + data.len());
            encoded.extend(Self::METHOD_ID);
            encoded.extend(data);
            encoded
        }
        pub fn output_call(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<substreams::scalar::BigInt, String> {
            Self::output(call.return_data.as_ref())
        }
        pub fn output(data: &[u8]) -> Result<substreams::scalar::BigInt, String> {
            let mut values = ethabi::decode(
                    &[ethabi::ParamType::Uint(256usize)],
                    data.as_ref(),
                )
                .map_err(|e| format!("unable to decode output data: {:?}", e))?;
            Ok({
                let mut v = [0 as u8; 32];
                values
                    .pop()
                    .expect("one output data should have existed")
                    .into_uint()
                    .expect(INTERNAL_ERR)
                    .to_big_endian(v.as_mut_slice());
                substreams::scalar::BigInt::from_unsigned_bytes_be(&v)
            })
        }
        pub fn match_call(call: &substreams_ethereum::pb::eth::v2::Call) -> bool {
            match call.input.get(0..4) {
                Some(signature) => Self::METHOD_ID == signature,
                None => false,
            }
        }
        pub fn call(&self, address: Vec<u8>) -> Option<substreams::scalar::BigInt> {
            use substreams_ethereum::pb::eth::rpc;
            let rpc_calls = rpc::RpcCalls {
                calls: vec![rpc::RpcCall { to_addr : address, data : self.encode(), }],
            };
            let responses = substreams_ethereum::rpc::eth_call(&rpc_calls).responses;
            let response = responses.get(0).expect("one response should have existed");
            if response.failed {
                return None;
            }
            match Self::output(response.raw.as_ref()) {
                Ok(data) => Some(data),
                Err(err) => {
                    use substreams_ethereum::Function;
                    substreams::log::info!(
                        "Call output for function `{}` failed to decode with error: {}",
                        Self::NAME, err
                    );
                    None
                }
            }
        }
    }
    impl substreams_ethereum::Function for GetMinimumInvariantRatio {
        const NAME: &'static str = "getMinimumInvariantRatio";
        fn match_call(call: &substreams_ethereum::pb::eth::v2::Call) -> bool {
            Self::match_call(call)
        }
        fn decode(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<Self, String> {
            Self::decode(call)
        }
        fn encode(&self) -> Vec<u8> {
            self.encode()
        }
    }
    impl substreams_ethereum::rpc::RPCDecodable<substreams::scalar::BigInt>
    for GetMinimumInvariantRatio {
        fn output(data: &[u8]) -> Result<substreams::scalar::BigInt, String> {
            Self::output(data)
        }
    }
    #[derive(Debug, Clone, PartialEq)]
    pub struct GetMinimumSwapFeePercentage {}
    impl GetMinimumSwapFeePercentage {
        const METHOD_ID: [u8; 4] = [206u8, 32u8, 236u8, 231u8];
        pub fn decode(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<Self, String> {
            Ok(Self {})
        }
        pub fn encode(&self) -> Vec<u8> {
            let data = ethabi::encode(&[]);
            let mut encoded = Vec::with_capacity(4 + data.len());
            encoded.extend(Self::METHOD_ID);
            encoded.extend(data);
            encoded
        }
        pub fn output_call(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<substreams::scalar::BigInt, String> {
            Self::output(call.return_data.as_ref())
        }
        pub fn output(data: &[u8]) -> Result<substreams::scalar::BigInt, String> {
            let mut values = ethabi::decode(
                    &[ethabi::ParamType::Uint(256usize)],
                    data.as_ref(),
                )
                .map_err(|e| format!("unable to decode output data: {:?}", e))?;
            Ok({
                let mut v = [0 as u8; 32];
                values
                    .pop()
                    .expect("one output data should have existed")
                    .into_uint()
                    .expect(INTERNAL_ERR)
                    .to_big_endian(v.as_mut_slice());
                substreams::scalar::BigInt::from_unsigned_bytes_be(&v)
            })
        }
        pub fn match_call(call: &substreams_ethereum::pb::eth::v2::Call) -> bool {
            match call.input.get(0..4) {
                Some(signature) => Self::METHOD_ID == signature,
                None => false,
            }
        }
        pub fn call(&self, address: Vec<u8>) -> Option<substreams::scalar::BigInt> {
            use substreams_ethereum::pb::eth::rpc;
            let rpc_calls = rpc::RpcCalls {
                calls: vec![rpc::RpcCall { to_addr : address, data : self.encode(), }],
            };
            let responses = substreams_ethereum::rpc::eth_call(&rpc_calls).responses;
            let response = responses.get(0).expect("one response should have existed");
            if response.failed {
                return None;
            }
            match Self::output(response.raw.as_ref()) {
                Ok(data) => Some(data),
                Err(err) => {
                    use substreams_ethereum::Function;
                    substreams::log::info!(
                        "Call output for function `{}` failed to decode with error: {}",
                        Self::NAME, err
                    );
                    None
                }
            }
        }
    }
    impl substreams_ethereum::Function for GetMinimumSwapFeePercentage {
        const NAME: &'static str = "getMinimumSwapFeePercentage";
        fn match_call(call: &substreams_ethereum::pb::eth::v2::Call) -> bool {
            Self::match_call(call)
        }
        fn decode(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<Self, String> {
            Self::decode(call)
        }
        fn encode(&self) -> Vec<u8> {
            self.encode()
        }
    }
    impl substreams_ethereum::rpc::RPCDecodable<substreams::scalar::BigInt>
    for GetMinimumSwapFeePercentage {
        fn output(data: &[u8]) -> Result<substreams::scalar::BigInt, String> {
            Self::output(data)
        }
    }
    #[derive(Debug, Clone, PartialEq)]
    pub struct GetNormalizedWeights {}
    impl GetNormalizedWeights {
        const METHOD_ID: [u8; 4] = [248u8, 159u8, 39u8, 237u8];
        pub fn decode(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<Self, String> {
            Ok(Self {})
        }
        pub fn encode(&self) -> Vec<u8> {
            let data = ethabi::encode(&[]);
            let mut encoded = Vec::with_capacity(4 + data.len());
            encoded.extend(Self::METHOD_ID);
            encoded.extend(data);
            encoded
        }
        pub fn output_call(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<Vec<substreams::scalar::BigInt>, String> {
            Self::output(call.return_data.as_ref())
        }
        pub fn output(data: &[u8]) -> Result<Vec<substreams::scalar::BigInt>, String> {
            let mut values = ethabi::decode(
                    &[
                        ethabi::ParamType::Array(
                            Box::new(ethabi::ParamType::Uint(256usize)),
                        ),
                    ],
                    data.as_ref(),
                )
                .map_err(|e| format!("unable to decode output data: {:?}", e))?;
            Ok(
                values
                    .pop()
                    .expect("one output data should have existed")
                    .into_array()
                    .expect(INTERNAL_ERR)
                    .into_iter()
                    .map(|inner| {
                        let mut v = [0 as u8; 32];
                        inner
                            .into_uint()
                            .expect(INTERNAL_ERR)
                            .to_big_endian(v.as_mut_slice());
                        substreams::scalar::BigInt::from_unsigned_bytes_be(&v)
                    })
                    .collect(),
            )
        }
        pub fn match_call(call: &substreams_ethereum::pb::eth::v2::Call) -> bool {
            match call.input.get(0..4) {
                Some(signature) => Self::METHOD_ID == signature,
                None => false,
            }
        }
        pub fn call(&self, address: Vec<u8>) -> Option<Vec<substreams::scalar::BigInt>> {
            use substreams_ethereum::pb::eth::rpc;
            let rpc_calls = rpc::RpcCalls {
                calls: vec![rpc::RpcCall { to_addr : address, data : self.encode(), }],
            };
            let responses = substreams_ethereum::rpc::eth_call(&rpc_calls).responses;
            let response = responses.get(0).expect("one response should have existed");
            if response.failed {
                return None;
            }
            match Self::output(response.raw.as_ref()) {
                Ok(data) => Some(data),
                Err(err) => {
                    use substreams_ethereum::Function;
                    substreams::log::info!(
                        "Call output for function `{}` failed to decode with error: {}",
                        Self::NAME, err
                    );
                    None
                }
            }
        }
    }
    impl substreams_ethereum::Function for GetNormalizedWeights {
        const NAME: &'static str = "getNormalizedWeights";
        fn match_call(call: &substreams_ethereum::pb::eth::v2::Call) -> bool {
            Self::match_call(call)
        }
        fn decode(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<Self, String> {
            Self::decode(call)
        }
        fn encode(&self) -> Vec<u8> {
            self.encode()
        }
    }
    impl substreams_ethereum::rpc::RPCDecodable<Vec<substreams::scalar::BigInt>>
    for GetNormalizedWeights {
        fn output(data: &[u8]) -> Result<Vec<substreams::scalar::BigInt>, String> {
            Self::output(data)
        }
    }
    #[derive(Debug, Clone, PartialEq)]
    pub struct GetRate {}
    impl GetRate {
        const METHOD_ID: [u8; 4] = [103u8, 154u8, 239u8, 206u8];
        pub fn decode(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<Self, String> {
            Ok(Self {})
        }
        pub fn encode(&self) -> Vec<u8> {
            let data = ethabi::encode(&[]);
            let mut encoded = Vec::with_capacity(4 + data.len());
            encoded.extend(Self::METHOD_ID);
            encoded.extend(data);
            encoded
        }
        pub fn output_call(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<substreams::scalar::BigInt, String> {
            Self::output(call.return_data.as_ref())
        }
        pub fn output(data: &[u8]) -> Result<substreams::scalar::BigInt, String> {
            let mut values = ethabi::decode(
                    &[ethabi::ParamType::Uint(256usize)],
                    data.as_ref(),
                )
                .map_err(|e| format!("unable to decode output data: {:?}", e))?;
            Ok({
                let mut v = [0 as u8; 32];
                values
                    .pop()
                    .expect("one output data should have existed")
                    .into_uint()
                    .expect(INTERNAL_ERR)
                    .to_big_endian(v.as_mut_slice());
                substreams::scalar::BigInt::from_unsigned_bytes_be(&v)
            })
        }
        pub fn match_call(call: &substreams_ethereum::pb::eth::v2::Call) -> bool {
            match call.input.get(0..4) {
                Some(signature) => Self::METHOD_ID == signature,
                None => false,
            }
        }
        pub fn call(&self, address: Vec<u8>) -> Option<substreams::scalar::BigInt> {
            use substreams_ethereum::pb::eth::rpc;
            let rpc_calls = rpc::RpcCalls {
                calls: vec![rpc::RpcCall { to_addr : address, data : self.encode(), }],
            };
            let responses = substreams_ethereum::rpc::eth_call(&rpc_calls).responses;
            let response = responses.get(0).expect("one response should have existed");
            if response.failed {
                return None;
            }
            match Self::output(response.raw.as_ref()) {
                Ok(data) => Some(data),
                Err(err) => {
                    use substreams_ethereum::Function;
                    substreams::log::info!(
                        "Call output for function `{}` failed to decode with error: {}",
                        Self::NAME, err
                    );
                    None
                }
            }
        }
    }
    impl substreams_ethereum::Function for GetRate {
        const NAME: &'static str = "getRate";
        fn match_call(call: &substreams_ethereum::pb::eth::v2::Call) -> bool {
            Self::match_call(call)
        }
        fn decode(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<Self, String> {
            Self::decode(call)
        }
        fn encode(&self) -> Vec<u8> {
            self.encode()
        }
    }
    impl substreams_ethereum::rpc::RPCDecodable<substreams::scalar::BigInt> for GetRate {
        fn output(data: &[u8]) -> Result<substreams::scalar::BigInt, String> {
            Self::output(data)
        }
    }
    #[derive(Debug, Clone, PartialEq)]
    pub struct GetStaticSwapFeePercentage {}
    impl GetStaticSwapFeePercentage {
        const METHOD_ID: [u8; 4] = [211u8, 53u8, 176u8, 207u8];
        pub fn decode(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<Self, String> {
            Ok(Self {})
        }
        pub fn encode(&self) -> Vec<u8> {
            let data = ethabi::encode(&[]);
            let mut encoded = Vec::with_capacity(4 + data.len());
            encoded.extend(Self::METHOD_ID);
            encoded.extend(data);
            encoded
        }
        pub fn output_call(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<substreams::scalar::BigInt, String> {
            Self::output(call.return_data.as_ref())
        }
        pub fn output(data: &[u8]) -> Result<substreams::scalar::BigInt, String> {
            let mut values = ethabi::decode(
                    &[ethabi::ParamType::Uint(256usize)],
                    data.as_ref(),
                )
                .map_err(|e| format!("unable to decode output data: {:?}", e))?;
            Ok({
                let mut v = [0 as u8; 32];
                values
                    .pop()
                    .expect("one output data should have existed")
                    .into_uint()
                    .expect(INTERNAL_ERR)
                    .to_big_endian(v.as_mut_slice());
                substreams::scalar::BigInt::from_unsigned_bytes_be(&v)
            })
        }
        pub fn match_call(call: &substreams_ethereum::pb::eth::v2::Call) -> bool {
            match call.input.get(0..4) {
                Some(signature) => Self::METHOD_ID == signature,
                None => false,
            }
        }
        pub fn call(&self, address: Vec<u8>) -> Option<substreams::scalar::BigInt> {
            use substreams_ethereum::pb::eth::rpc;
            let rpc_calls = rpc::RpcCalls {
                calls: vec![rpc::RpcCall { to_addr : address, data : self.encode(), }],
            };
            let responses = substreams_ethereum::rpc::eth_call(&rpc_calls).responses;
            let response = responses.get(0).expect("one response should have existed");
            if response.failed {
                return None;
            }
            match Self::output(response.raw.as_ref()) {
                Ok(data) => Some(data),
                Err(err) => {
                    use substreams_ethereum::Function;
                    substreams::log::info!(
                        "Call output for function `{}` failed to decode with error: {}",
                        Self::NAME, err
                    );
                    None
                }
            }
        }
    }
    impl substreams_ethereum::Function for GetStaticSwapFeePercentage {
        const NAME: &'static str = "getStaticSwapFeePercentage";
        fn match_call(call: &substreams_ethereum::pb::eth::v2::Call) -> bool {
            Self::match_call(call)
        }
        fn decode(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<Self, String> {
            Self::decode(call)
        }
        fn encode(&self) -> Vec<u8> {
            self.encode()
        }
    }
    impl substreams_ethereum::rpc::RPCDecodable<substreams::scalar::BigInt>
    for GetStaticSwapFeePercentage {
        fn output(data: &[u8]) -> Result<substreams::scalar::BigInt, String> {
            Self::output(data)
        }
    }
    #[derive(Debug, Clone, PartialEq)]
    pub struct GetTokenInfo {}
    impl GetTokenInfo {
        const METHOD_ID: [u8; 4] = [171u8, 177u8, 220u8, 68u8];
        pub fn decode(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<Self, String> {
            Ok(Self {})
        }
        pub fn encode(&self) -> Vec<u8> {
            let data = ethabi::encode(&[]);
            let mut encoded = Vec::with_capacity(4 + data.len());
            encoded.extend(Self::METHOD_ID);
            encoded.extend(data);
            encoded
        }
        pub fn output_call(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<
            (
                Vec<Vec<u8>>,
                Vec<(substreams::scalar::BigInt, Vec<u8>, bool)>,
                Vec<substreams::scalar::BigInt>,
                Vec<substreams::scalar::BigInt>,
            ),
            String,
        > {
            Self::output(call.return_data.as_ref())
        }
        pub fn output(
            data: &[u8],
        ) -> Result<
            (
                Vec<Vec<u8>>,
                Vec<(substreams::scalar::BigInt, Vec<u8>, bool)>,
                Vec<substreams::scalar::BigInt>,
                Vec<substreams::scalar::BigInt>,
            ),
            String,
        > {
            let mut values = ethabi::decode(
                    &[
                        ethabi::ParamType::Array(Box::new(ethabi::ParamType::Address)),
                        ethabi::ParamType::Array(
                            Box::new(
                                ethabi::ParamType::Tuple(
                                    vec![
                                        ethabi::ParamType::Uint(8usize), ethabi::ParamType::Address,
                                        ethabi::ParamType::Bool
                                    ],
                                ),
                            ),
                        ),
                        ethabi::ParamType::Array(
                            Box::new(ethabi::ParamType::Uint(256usize)),
                        ),
                        ethabi::ParamType::Array(
                            Box::new(ethabi::ParamType::Uint(256usize)),
                        ),
                    ],
                    data.as_ref(),
                )
                .map_err(|e| format!("unable to decode output data: {:?}", e))?;
            values.reverse();
            Ok((
                values
                    .pop()
                    .expect(INTERNAL_ERR)
                    .into_array()
                    .expect(INTERNAL_ERR)
                    .into_iter()
                    .map(|inner| {
                        inner.into_address().expect(INTERNAL_ERR).as_bytes().to_vec()
                    })
                    .collect(),
                values
                    .pop()
                    .expect(INTERNAL_ERR)
                    .into_array()
                    .expect(INTERNAL_ERR)
                    .into_iter()
                    .map(|inner| {
                        let tuple_elements = inner.into_tuple().expect(INTERNAL_ERR);
                        (
                            {
                                let mut v = [0 as u8; 32];
                                tuple_elements[0usize]
                                    .clone()
                                    .into_uint()
                                    .expect(INTERNAL_ERR)
                                    .to_big_endian(v.as_mut_slice());
                                substreams::scalar::BigInt::from_unsigned_bytes_be(&v)
                            },
                            tuple_elements[1usize]
                                .clone()
                                .into_address()
                                .expect(INTERNAL_ERR)
                                .as_bytes()
                                .to_vec(),
                            tuple_elements[2usize]
                                .clone()
                                .into_bool()
                                .expect(INTERNAL_ERR),
                        )
                    })
                    .collect(),
                values
                    .pop()
                    .expect(INTERNAL_ERR)
                    .into_array()
                    .expect(INTERNAL_ERR)
                    .into_iter()
                    .map(|inner| {
                        let mut v = [0 as u8; 32];
                        inner
                            .into_uint()
                            .expect(INTERNAL_ERR)
                            .to_big_endian(v.as_mut_slice());
                        substreams::scalar::BigInt::from_unsigned_bytes_be(&v)
                    })
                    .collect(),
                values
                    .pop()
                    .expect(INTERNAL_ERR)
                    .into_array()
                    .expect(INTERNAL_ERR)
                    .into_iter()
                    .map(|inner| {
                        let mut v = [0 as u8; 32];
                        inner
                            .into_uint()
                            .expect(INTERNAL_ERR)
                            .to_big_endian(v.as_mut_slice());
                        substreams::scalar::BigInt::from_unsigned_bytes_be(&v)
                    })
                    .collect(),
            ))
        }
        pub fn match_call(call: &substreams_ethereum::pb::eth::v2::Call) -> bool {
            match call.input.get(0..4) {
                Some(signature) => Self::METHOD_ID == signature,
                None => false,
            }
        }
        pub fn call(
            &self,
            address: Vec<u8>,
        ) -> Option<
            (
                Vec<Vec<u8>>,
                Vec<(substreams::scalar::BigInt, Vec<u8>, bool)>,
                Vec<substreams::scalar::BigInt>,
                Vec<substreams::scalar::BigInt>,
            ),
        > {
            use substreams_ethereum::pb::eth::rpc;
            let rpc_calls = rpc::RpcCalls {
                calls: vec![rpc::RpcCall { to_addr : address, data : self.encode(), }],
            };
            let responses = substreams_ethereum::rpc::eth_call(&rpc_calls).responses;
            let response = responses.get(0).expect("one response should have existed");
            if response.failed {
                return None;
            }
            match Self::output(response.raw.as_ref()) {
                Ok(data) => Some(data),
                Err(err) => {
                    use substreams_ethereum::Function;
                    substreams::log::info!(
                        "Call output for function `{}` failed to decode with error: {}",
                        Self::NAME, err
                    );
                    None
                }
            }
        }
    }
    impl substreams_ethereum::Function for GetTokenInfo {
        const NAME: &'static str = "getTokenInfo";
        fn match_call(call: &substreams_ethereum::pb::eth::v2::Call) -> bool {
            Self::match_call(call)
        }
        fn decode(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<Self, String> {
            Self::decode(call)
        }
        fn encode(&self) -> Vec<u8> {
            self.encode()
        }
    }
    impl substreams_ethereum::rpc::RPCDecodable<
        (
            Vec<Vec<u8>>,
            Vec<(substreams::scalar::BigInt, Vec<u8>, bool)>,
            Vec<substreams::scalar::BigInt>,
            Vec<substreams::scalar::BigInt>,
        ),
    > for GetTokenInfo {
        fn output(
            data: &[u8],
        ) -> Result<
            (
                Vec<Vec<u8>>,
                Vec<(substreams::scalar::BigInt, Vec<u8>, bool)>,
                Vec<substreams::scalar::BigInt>,
                Vec<substreams::scalar::BigInt>,
            ),
            String,
        > {
            Self::output(data)
        }
    }
    #[derive(Debug, Clone, PartialEq)]
    pub struct GetTokens {}
    impl GetTokens {
        const METHOD_ID: [u8; 4] = [170u8, 108u8, 168u8, 8u8];
        pub fn decode(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<Self, String> {
            Ok(Self {})
        }
        pub fn encode(&self) -> Vec<u8> {
            let data = ethabi::encode(&[]);
            let mut encoded = Vec::with_capacity(4 + data.len());
            encoded.extend(Self::METHOD_ID);
            encoded.extend(data);
            encoded
        }
        pub fn output_call(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<Vec<Vec<u8>>, String> {
            Self::output(call.return_data.as_ref())
        }
        pub fn output(data: &[u8]) -> Result<Vec<Vec<u8>>, String> {
            let mut values = ethabi::decode(
                    &[ethabi::ParamType::Array(Box::new(ethabi::ParamType::Address))],
                    data.as_ref(),
                )
                .map_err(|e| format!("unable to decode output data: {:?}", e))?;
            Ok(
                values
                    .pop()
                    .expect("one output data should have existed")
                    .into_array()
                    .expect(INTERNAL_ERR)
                    .into_iter()
                    .map(|inner| {
                        inner.into_address().expect(INTERNAL_ERR).as_bytes().to_vec()
                    })
                    .collect(),
            )
        }
        pub fn match_call(call: &substreams_ethereum::pb::eth::v2::Call) -> bool {
            match call.input.get(0..4) {
                Some(signature) => Self::METHOD_ID == signature,
                None => false,
            }
        }
        pub fn call(&self, address: Vec<u8>) -> Option<Vec<Vec<u8>>> {
            use substreams_ethereum::pb::eth::rpc;
            let rpc_calls = rpc::RpcCalls {
                calls: vec![rpc::RpcCall { to_addr : address, data : self.encode(), }],
            };
            let responses = substreams_ethereum::rpc::eth_call(&rpc_calls).responses;
            let response = responses.get(0).expect("one response should have existed");
            if response.failed {
                return None;
            }
            match Self::output(response.raw.as_ref()) {
                Ok(data) => Some(data),
                Err(err) => {
                    use substreams_ethereum::Function;
                    substreams::log::info!(
                        "Call output for function `{}` failed to decode with error: {}",
                        Self::NAME, err
                    );
                    None
                }
            }
        }
    }
    impl substreams_ethereum::Function for GetTokens {
        const NAME: &'static str = "getTokens";
        fn match_call(call: &substreams_ethereum::pb::eth::v2::Call) -> bool {
            Self::match_call(call)
        }
        fn decode(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<Self, String> {
            Self::decode(call)
        }
        fn encode(&self) -> Vec<u8> {
            self.encode()
        }
    }
    impl substreams_ethereum::rpc::RPCDecodable<Vec<Vec<u8>>> for GetTokens {
        fn output(data: &[u8]) -> Result<Vec<Vec<u8>>, String> {
            Self::output(data)
        }
    }
    #[derive(Debug, Clone, PartialEq)]
    pub struct GetVault {}
    impl GetVault {
        const METHOD_ID: [u8; 4] = [141u8, 146u8, 138u8, 248u8];
        pub fn decode(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<Self, String> {
            Ok(Self {})
        }
        pub fn encode(&self) -> Vec<u8> {
            let data = ethabi::encode(&[]);
            let mut encoded = Vec::with_capacity(4 + data.len());
            encoded.extend(Self::METHOD_ID);
            encoded.extend(data);
            encoded
        }
        pub fn output_call(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<Vec<u8>, String> {
            Self::output(call.return_data.as_ref())
        }
        pub fn output(data: &[u8]) -> Result<Vec<u8>, String> {
            let mut values = ethabi::decode(&[ethabi::ParamType::Address], data.as_ref())
                .map_err(|e| format!("unable to decode output data: {:?}", e))?;
            Ok(
                values
                    .pop()
                    .expect("one output data should have existed")
                    .into_address()
                    .expect(INTERNAL_ERR)
                    .as_bytes()
                    .to_vec(),
            )
        }
        pub fn match_call(call: &substreams_ethereum::pb::eth::v2::Call) -> bool {
            match call.input.get(0..4) {
                Some(signature) => Self::METHOD_ID == signature,
                None => false,
            }
        }
        pub fn call(&self, address: Vec<u8>) -> Option<Vec<u8>> {
            use substreams_ethereum::pb::eth::rpc;
            let rpc_calls = rpc::RpcCalls {
                calls: vec![rpc::RpcCall { to_addr : address, data : self.encode(), }],
            };
            let responses = substreams_ethereum::rpc::eth_call(&rpc_calls).responses;
            let response = responses.get(0).expect("one response should have existed");
            if response.failed {
                return None;
            }
            match Self::output(response.raw.as_ref()) {
                Ok(data) => Some(data),
                Err(err) => {
                    use substreams_ethereum::Function;
                    substreams::log::info!(
                        "Call output for function `{}` failed to decode with error: {}",
                        Self::NAME, err
                    );
                    None
                }
            }
        }
    }
    impl substreams_ethereum::Function for GetVault {
        const NAME: &'static str = "getVault";
        fn match_call(call: &substreams_ethereum::pb::eth::v2::Call) -> bool {
            Self::match_call(call)
        }
        fn decode(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<Self, String> {
            Self::decode(call)
        }
        fn encode(&self) -> Vec<u8> {
            self.encode()
        }
    }
    impl substreams_ethereum::rpc::RPCDecodable<Vec<u8>> for GetVault {
        fn output(data: &[u8]) -> Result<Vec<u8>, String> {
            Self::output(data)
        }
    }
    #[derive(Debug, Clone, PartialEq)]
    pub struct GetWeightedPoolDynamicData {}
    impl GetWeightedPoolDynamicData {
        const METHOD_ID: [u8; 4] = [192u8, 188u8, 111u8, 51u8];
        pub fn decode(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<Self, String> {
            Ok(Self {})
        }
        pub fn encode(&self) -> Vec<u8> {
            let data = ethabi::encode(&[]);
            let mut encoded = Vec::with_capacity(4 + data.len());
            encoded.extend(Self::METHOD_ID);
            encoded.extend(data);
            encoded
        }
        pub fn output_call(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<
            (
                Vec<substreams::scalar::BigInt>,
                Vec<substreams::scalar::BigInt>,
                substreams::scalar::BigInt,
                substreams::scalar::BigInt,
                bool,
                bool,
                bool,
            ),
            String,
        > {
            Self::output(call.return_data.as_ref())
        }
        pub fn output(
            data: &[u8],
        ) -> Result<
            (
                Vec<substreams::scalar::BigInt>,
                Vec<substreams::scalar::BigInt>,
                substreams::scalar::BigInt,
                substreams::scalar::BigInt,
                bool,
                bool,
                bool,
            ),
            String,
        > {
            let mut values = ethabi::decode(
                    &[
                        ethabi::ParamType::Tuple(
                            vec![
                                ethabi::ParamType::Array(Box::new(ethabi::ParamType::Uint(256usize))),
                                ethabi::ParamType::Array(Box::new(ethabi::ParamType::Uint(256usize))),
                                ethabi::ParamType::Uint(256usize),
                                ethabi::ParamType::Uint(256usize), ethabi::ParamType::Bool,
                                ethabi::ParamType::Bool, ethabi::ParamType::Bool
                            ],
                        ),
                    ],
                    data.as_ref(),
                )
                .map_err(|e| format!("unable to decode output data: {:?}", e))?;
            Ok({
                let tuple_elements = values
                    .pop()
                    .expect("one output data should have existed")
                    .into_tuple()
                    .expect(INTERNAL_ERR);
                (
                    tuple_elements[0usize]
                        .clone()
                        .into_array()
                        .expect(INTERNAL_ERR)
                        .into_iter()
                        .map(|inner| {
                            let mut v = [0 as u8; 32];
                            inner
                                .into_uint()
                                .expect(INTERNAL_ERR)
                                .to_big_endian(v.as_mut_slice());
                            substreams::scalar::BigInt::from_unsigned_bytes_be(&v)
                        })
                        .collect(),
                    tuple_elements[1usize]
                        .clone()
                        .into_array()
                        .expect(INTERNAL_ERR)
                        .into_iter()
                        .map(|inner| {
                            let mut v = [0 as u8; 32];
                            inner
                                .into_uint()
                                .expect(INTERNAL_ERR)
                                .to_big_endian(v.as_mut_slice());
                            substreams::scalar::BigInt::from_unsigned_bytes_be(&v)
                        })
                        .collect(),
                    {
                        let mut v = [0 as u8; 32];
                        tuple_elements[2usize]
                            .clone()
                            .into_uint()
                            .expect(INTERNAL_ERR)
                            .to_big_endian(v.as_mut_slice());
                        substreams::scalar::BigInt::from_unsigned_bytes_be(&v)
                    },
                    {
                        let mut v = [0 as u8; 32];
                        tuple_elements[3usize]
                            .clone()
                            .into_uint()
                            .expect(INTERNAL_ERR)
                            .to_big_endian(v.as_mut_slice());
                        substreams::scalar::BigInt::from_unsigned_bytes_be(&v)
                    },
                    tuple_elements[4usize].clone().into_bool().expect(INTERNAL_ERR),
                    tuple_elements[5usize].clone().into_bool().expect(INTERNAL_ERR),
                    tuple_elements[6usize].clone().into_bool().expect(INTERNAL_ERR),
                )
            })
        }
        pub fn match_call(call: &substreams_ethereum::pb::eth::v2::Call) -> bool {
            match call.input.get(0..4) {
                Some(signature) => Self::METHOD_ID == signature,
                None => false,
            }
        }
        pub fn call(
            &self,
            address: Vec<u8>,
        ) -> Option<
            (
                Vec<substreams::scalar::BigInt>,
                Vec<substreams::scalar::BigInt>,
                substreams::scalar::BigInt,
                substreams::scalar::BigInt,
                bool,
                bool,
                bool,
            ),
        > {
            use substreams_ethereum::pb::eth::rpc;
            let rpc_calls = rpc::RpcCalls {
                calls: vec![rpc::RpcCall { to_addr : address, data : self.encode(), }],
            };
            let responses = substreams_ethereum::rpc::eth_call(&rpc_calls).responses;
            let response = responses.get(0).expect("one response should have existed");
            if response.failed {
                return None;
            }
            match Self::output(response.raw.as_ref()) {
                Ok(data) => Some(data),
                Err(err) => {
                    use substreams_ethereum::Function;
                    substreams::log::info!(
                        "Call output for function `{}` failed to decode with error: {}",
                        Self::NAME, err
                    );
                    None
                }
            }
        }
    }
    impl substreams_ethereum::Function for GetWeightedPoolDynamicData {
        const NAME: &'static str = "getWeightedPoolDynamicData";
        fn match_call(call: &substreams_ethereum::pb::eth::v2::Call) -> bool {
            Self::match_call(call)
        }
        fn decode(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<Self, String> {
            Self::decode(call)
        }
        fn encode(&self) -> Vec<u8> {
            self.encode()
        }
    }
    impl substreams_ethereum::rpc::RPCDecodable<
        (
            Vec<substreams::scalar::BigInt>,
            Vec<substreams::scalar::BigInt>,
            substreams::scalar::BigInt,
            substreams::scalar::BigInt,
            bool,
            bool,
            bool,
        ),
    > for GetWeightedPoolDynamicData {
        fn output(
            data: &[u8],
        ) -> Result<
            (
                Vec<substreams::scalar::BigInt>,
                Vec<substreams::scalar::BigInt>,
                substreams::scalar::BigInt,
                substreams::scalar::BigInt,
                bool,
                bool,
                bool,
            ),
            String,
        > {
            Self::output(data)
        }
    }
    #[derive(Debug, Clone, PartialEq)]
    pub struct GetWeightedPoolImmutableData {}
    impl GetWeightedPoolImmutableData {
        const METHOD_ID: [u8; 4] = [83u8, 183u8, 155u8, 215u8];
        pub fn decode(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<Self, String> {
            Ok(Self {})
        }
        pub fn encode(&self) -> Vec<u8> {
            let data = ethabi::encode(&[]);
            let mut encoded = Vec::with_capacity(4 + data.len());
            encoded.extend(Self::METHOD_ID);
            encoded.extend(data);
            encoded
        }
        pub fn output_call(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<
            (
                Vec<Vec<u8>>,
                Vec<substreams::scalar::BigInt>,
                Vec<substreams::scalar::BigInt>,
            ),
            String,
        > {
            Self::output(call.return_data.as_ref())
        }
        pub fn output(
            data: &[u8],
        ) -> Result<
            (
                Vec<Vec<u8>>,
                Vec<substreams::scalar::BigInt>,
                Vec<substreams::scalar::BigInt>,
            ),
            String,
        > {
            let mut values = ethabi::decode(
                    &[
                        ethabi::ParamType::Tuple(
                            vec![
                                ethabi::ParamType::Array(Box::new(ethabi::ParamType::Address)),
                                ethabi::ParamType::Array(Box::new(ethabi::ParamType::Uint(256usize))),
                                ethabi::ParamType::Array(Box::new(ethabi::ParamType::Uint(256usize)))
                            ],
                        ),
                    ],
                    data.as_ref(),
                )
                .map_err(|e| format!("unable to decode output data: {:?}", e))?;
            Ok({
                let tuple_elements = values
                    .pop()
                    .expect("one output data should have existed")
                    .into_tuple()
                    .expect(INTERNAL_ERR);
                (
                    tuple_elements[0usize]
                        .clone()
                        .into_array()
                        .expect(INTERNAL_ERR)
                        .into_iter()
                        .map(|inner| {
                            inner.into_address().expect(INTERNAL_ERR).as_bytes().to_vec()
                        })
                        .collect(),
                    tuple_elements[1usize]
                        .clone()
                        .into_array()
                        .expect(INTERNAL_ERR)
                        .into_iter()
                        .map(|inner| {
                            let mut v = [0 as u8; 32];
                            inner
                                .into_uint()
                                .expect(INTERNAL_ERR)
                                .to_big_endian(v.as_mut_slice());
                            substreams::scalar::BigInt::from_unsigned_bytes_be(&v)
                        })
                        .collect(),
                    tuple_elements[2usize]
                        .clone()
                        .into_array()
                        .expect(INTERNAL_ERR)
                        .into_iter()
                        .map(|inner| {
                            let mut v = [0 as u8; 32];
                            inner
                                .into_uint()
                                .expect(INTERNAL_ERR)
                                .to_big_endian(v.as_mut_slice());
                            substreams::scalar::BigInt::from_unsigned_bytes_be(&v)
                        })
                        .collect(),
                )
            })
        }
        pub fn match_call(call: &substreams_ethereum::pb::eth::v2::Call) -> bool {
            match call.input.get(0..4) {
                Some(signature) => Self::METHOD_ID == signature,
                None => false,
            }
        }
        pub fn call(
            &self,
            address: Vec<u8>,
        ) -> Option<
            (
                Vec<Vec<u8>>,
                Vec<substreams::scalar::BigInt>,
                Vec<substreams::scalar::BigInt>,
            ),
        > {
            use substreams_ethereum::pb::eth::rpc;
            let rpc_calls = rpc::RpcCalls {
                calls: vec![rpc::RpcCall { to_addr : address, data : self.encode(), }],
            };
            let responses = substreams_ethereum::rpc::eth_call(&rpc_calls).responses;
            let response = responses.get(0).expect("one response should have existed");
            if response.failed {
                return None;
            }
            match Self::output(response.raw.as_ref()) {
                Ok(data) => Some(data),
                Err(err) => {
                    use substreams_ethereum::Function;
                    substreams::log::info!(
                        "Call output for function `{}` failed to decode with error: {}",
                        Self::NAME, err
                    );
                    None
                }
            }
        }
    }
    impl substreams_ethereum::Function for GetWeightedPoolImmutableData {
        const NAME: &'static str = "getWeightedPoolImmutableData";
        fn match_call(call: &substreams_ethereum::pb::eth::v2::Call) -> bool {
            Self::match_call(call)
        }
        fn decode(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<Self, String> {
            Self::decode(call)
        }
        fn encode(&self) -> Vec<u8> {
            self.encode()
        }
    }
    impl substreams_ethereum::rpc::RPCDecodable<
        (Vec<Vec<u8>>, Vec<substreams::scalar::BigInt>, Vec<substreams::scalar::BigInt>),
    > for GetWeightedPoolImmutableData {
        fn output(
            data: &[u8],
        ) -> Result<
            (
                Vec<Vec<u8>>,
                Vec<substreams::scalar::BigInt>,
                Vec<substreams::scalar::BigInt>,
            ),
            String,
        > {
            Self::output(data)
        }
    }
    #[derive(Debug, Clone, PartialEq)]
    pub struct IncrementNonce {}
    impl IncrementNonce {
        const METHOD_ID: [u8; 4] = [98u8, 124u8, 220u8, 185u8];
        pub fn decode(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<Self, String> {
            Ok(Self {})
        }
        pub fn encode(&self) -> Vec<u8> {
            let data = ethabi::encode(&[]);
            let mut encoded = Vec::with_capacity(4 + data.len());
            encoded.extend(Self::METHOD_ID);
            encoded.extend(data);
            encoded
        }
        pub fn match_call(call: &substreams_ethereum::pb::eth::v2::Call) -> bool {
            match call.input.get(0..4) {
                Some(signature) => Self::METHOD_ID == signature,
                None => false,
            }
        }
    }
    impl substreams_ethereum::Function for IncrementNonce {
        const NAME: &'static str = "incrementNonce";
        fn match_call(call: &substreams_ethereum::pb::eth::v2::Call) -> bool {
            Self::match_call(call)
        }
        fn decode(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<Self, String> {
            Self::decode(call)
        }
        fn encode(&self) -> Vec<u8> {
            self.encode()
        }
    }
    #[derive(Debug, Clone, PartialEq)]
    pub struct Name {}
    impl Name {
        const METHOD_ID: [u8; 4] = [6u8, 253u8, 222u8, 3u8];
        pub fn decode(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<Self, String> {
            Ok(Self {})
        }
        pub fn encode(&self) -> Vec<u8> {
            let data = ethabi::encode(&[]);
            let mut encoded = Vec::with_capacity(4 + data.len());
            encoded.extend(Self::METHOD_ID);
            encoded.extend(data);
            encoded
        }
        pub fn output_call(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<String, String> {
            Self::output(call.return_data.as_ref())
        }
        pub fn output(data: &[u8]) -> Result<String, String> {
            let mut values = ethabi::decode(&[ethabi::ParamType::String], data.as_ref())
                .map_err(|e| format!("unable to decode output data: {:?}", e))?;
            Ok(
                values
                    .pop()
                    .expect("one output data should have existed")
                    .into_string()
                    .expect(INTERNAL_ERR),
            )
        }
        pub fn match_call(call: &substreams_ethereum::pb::eth::v2::Call) -> bool {
            match call.input.get(0..4) {
                Some(signature) => Self::METHOD_ID == signature,
                None => false,
            }
        }
        pub fn call(&self, address: Vec<u8>) -> Option<String> {
            use substreams_ethereum::pb::eth::rpc;
            let rpc_calls = rpc::RpcCalls {
                calls: vec![rpc::RpcCall { to_addr : address, data : self.encode(), }],
            };
            let responses = substreams_ethereum::rpc::eth_call(&rpc_calls).responses;
            let response = responses.get(0).expect("one response should have existed");
            if response.failed {
                return None;
            }
            match Self::output(response.raw.as_ref()) {
                Ok(data) => Some(data),
                Err(err) => {
                    use substreams_ethereum::Function;
                    substreams::log::info!(
                        "Call output for function `{}` failed to decode with error: {}",
                        Self::NAME, err
                    );
                    None
                }
            }
        }
    }
    impl substreams_ethereum::Function for Name {
        const NAME: &'static str = "name";
        fn match_call(call: &substreams_ethereum::pb::eth::v2::Call) -> bool {
            Self::match_call(call)
        }
        fn decode(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<Self, String> {
            Self::decode(call)
        }
        fn encode(&self) -> Vec<u8> {
            self.encode()
        }
    }
    impl substreams_ethereum::rpc::RPCDecodable<String> for Name {
        fn output(data: &[u8]) -> Result<String, String> {
            Self::output(data)
        }
    }
    #[derive(Debug, Clone, PartialEq)]
    pub struct Nonces {
        pub owner: Vec<u8>,
    }
    impl Nonces {
        const METHOD_ID: [u8; 4] = [126u8, 206u8, 190u8, 0u8];
        pub fn decode(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<Self, String> {
            let maybe_data = call.input.get(4..);
            if maybe_data.is_none() {
                return Err("no data to decode".to_string());
            }
            let mut values = ethabi::decode(
                    &[ethabi::ParamType::Address],
                    maybe_data.unwrap(),
                )
                .map_err(|e| format!("unable to decode call.input: {:?}", e))?;
            values.reverse();
            Ok(Self {
                owner: values
                    .pop()
                    .expect(INTERNAL_ERR)
                    .into_address()
                    .expect(INTERNAL_ERR)
                    .as_bytes()
                    .to_vec(),
            })
        }
        pub fn encode(&self) -> Vec<u8> {
            let data = ethabi::encode(
                &[ethabi::Token::Address(ethabi::Address::from_slice(&self.owner))],
            );
            let mut encoded = Vec::with_capacity(4 + data.len());
            encoded.extend(Self::METHOD_ID);
            encoded.extend(data);
            encoded
        }
        pub fn output_call(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<substreams::scalar::BigInt, String> {
            Self::output(call.return_data.as_ref())
        }
        pub fn output(data: &[u8]) -> Result<substreams::scalar::BigInt, String> {
            let mut values = ethabi::decode(
                    &[ethabi::ParamType::Uint(256usize)],
                    data.as_ref(),
                )
                .map_err(|e| format!("unable to decode output data: {:?}", e))?;
            Ok({
                let mut v = [0 as u8; 32];
                values
                    .pop()
                    .expect("one output data should have existed")
                    .into_uint()
                    .expect(INTERNAL_ERR)
                    .to_big_endian(v.as_mut_slice());
                substreams::scalar::BigInt::from_unsigned_bytes_be(&v)
            })
        }
        pub fn match_call(call: &substreams_ethereum::pb::eth::v2::Call) -> bool {
            match call.input.get(0..4) {
                Some(signature) => Self::METHOD_ID == signature,
                None => false,
            }
        }
        pub fn call(&self, address: Vec<u8>) -> Option<substreams::scalar::BigInt> {
            use substreams_ethereum::pb::eth::rpc;
            let rpc_calls = rpc::RpcCalls {
                calls: vec![rpc::RpcCall { to_addr : address, data : self.encode(), }],
            };
            let responses = substreams_ethereum::rpc::eth_call(&rpc_calls).responses;
            let response = responses.get(0).expect("one response should have existed");
            if response.failed {
                return None;
            }
            match Self::output(response.raw.as_ref()) {
                Ok(data) => Some(data),
                Err(err) => {
                    use substreams_ethereum::Function;
                    substreams::log::info!(
                        "Call output for function `{}` failed to decode with error: {}",
                        Self::NAME, err
                    );
                    None
                }
            }
        }
    }
    impl substreams_ethereum::Function for Nonces {
        const NAME: &'static str = "nonces";
        fn match_call(call: &substreams_ethereum::pb::eth::v2::Call) -> bool {
            Self::match_call(call)
        }
        fn decode(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<Self, String> {
            Self::decode(call)
        }
        fn encode(&self) -> Vec<u8> {
            self.encode()
        }
    }
    impl substreams_ethereum::rpc::RPCDecodable<substreams::scalar::BigInt> for Nonces {
        fn output(data: &[u8]) -> Result<substreams::scalar::BigInt, String> {
            Self::output(data)
        }
    }
    #[derive(Debug, Clone, PartialEq)]
    pub struct OnSwap {
        pub request: (
            substreams::scalar::BigInt,
            substreams::scalar::BigInt,
            Vec<substreams::scalar::BigInt>,
            substreams::scalar::BigInt,
            substreams::scalar::BigInt,
            Vec<u8>,
            Vec<u8>,
        ),
    }
    impl OnSwap {
        const METHOD_ID: [u8; 4] = [114u8, 201u8, 129u8, 134u8];
        pub fn decode(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<Self, String> {
            let maybe_data = call.input.get(4..);
            if maybe_data.is_none() {
                return Err("no data to decode".to_string());
            }
            let mut values = ethabi::decode(
                    &[
                        ethabi::ParamType::Tuple(
                            vec![
                                ethabi::ParamType::Uint(8usize),
                                ethabi::ParamType::Uint(256usize),
                                ethabi::ParamType::Array(Box::new(ethabi::ParamType::Uint(256usize))),
                                ethabi::ParamType::Uint(256usize),
                                ethabi::ParamType::Uint(256usize),
                                ethabi::ParamType::Address, ethabi::ParamType::Bytes
                            ],
                        ),
                    ],
                    maybe_data.unwrap(),
                )
                .map_err(|e| format!("unable to decode call.input: {:?}", e))?;
            values.reverse();
            Ok(Self {
                request: {
                    let tuple_elements = values
                        .pop()
                        .expect(INTERNAL_ERR)
                        .into_tuple()
                        .expect(INTERNAL_ERR);
                    (
                        {
                            let mut v = [0 as u8; 32];
                            tuple_elements[0usize]
                                .clone()
                                .into_uint()
                                .expect(INTERNAL_ERR)
                                .to_big_endian(v.as_mut_slice());
                            substreams::scalar::BigInt::from_unsigned_bytes_be(&v)
                        },
                        {
                            let mut v = [0 as u8; 32];
                            tuple_elements[1usize]
                                .clone()
                                .into_uint()
                                .expect(INTERNAL_ERR)
                                .to_big_endian(v.as_mut_slice());
                            substreams::scalar::BigInt::from_unsigned_bytes_be(&v)
                        },
                        tuple_elements[2usize]
                            .clone()
                            .into_array()
                            .expect(INTERNAL_ERR)
                            .into_iter()
                            .map(|inner| {
                                let mut v = [0 as u8; 32];
                                inner
                                    .into_uint()
                                    .expect(INTERNAL_ERR)
                                    .to_big_endian(v.as_mut_slice());
                                substreams::scalar::BigInt::from_unsigned_bytes_be(&v)
                            })
                            .collect(),
                        {
                            let mut v = [0 as u8; 32];
                            tuple_elements[3usize]
                                .clone()
                                .into_uint()
                                .expect(INTERNAL_ERR)
                                .to_big_endian(v.as_mut_slice());
                            substreams::scalar::BigInt::from_unsigned_bytes_be(&v)
                        },
                        {
                            let mut v = [0 as u8; 32];
                            tuple_elements[4usize]
                                .clone()
                                .into_uint()
                                .expect(INTERNAL_ERR)
                                .to_big_endian(v.as_mut_slice());
                            substreams::scalar::BigInt::from_unsigned_bytes_be(&v)
                        },
                        tuple_elements[5usize]
                            .clone()
                            .into_address()
                            .expect(INTERNAL_ERR)
                            .as_bytes()
                            .to_vec(),
                        tuple_elements[6usize].clone().into_bytes().expect(INTERNAL_ERR),
                    )
                },
            })
        }
        pub fn encode(&self) -> Vec<u8> {
            let data = ethabi::encode(
                &[
                    ethabi::Token::Tuple(
                        vec![
                            ethabi::Token::Uint(ethabi::Uint::from_big_endian(match self
                            .request.0.clone().to_bytes_be() { (num_bigint::Sign::Plus,
                            bytes) => bytes, (num_bigint::Sign::NoSign, bytes) => bytes,
                            (num_bigint::Sign::Minus, _) => {
                            panic!("negative numbers are not supported") }, }
                            .as_slice(),),),
                            ethabi::Token::Uint(ethabi::Uint::from_big_endian(match self
                            .request.1.clone().to_bytes_be() { (num_bigint::Sign::Plus,
                            bytes) => bytes, (num_bigint::Sign::NoSign, bytes) => bytes,
                            (num_bigint::Sign::Minus, _) => {
                            panic!("negative numbers are not supported") }, }
                            .as_slice(),),), { let v = self.request.2.iter().map(| inner
                            | ethabi::Token::Uint(ethabi::Uint::from_big_endian(match
                            inner.clone().to_bytes_be() { (num_bigint::Sign::Plus, bytes)
                            => bytes, (num_bigint::Sign::NoSign, bytes) => bytes,
                            (num_bigint::Sign::Minus, _) => {
                            panic!("negative numbers are not supported") }, }
                            .as_slice(),),)).collect(); ethabi::Token::Array(v) },
                            ethabi::Token::Uint(ethabi::Uint::from_big_endian(match self
                            .request.3.clone().to_bytes_be() { (num_bigint::Sign::Plus,
                            bytes) => bytes, (num_bigint::Sign::NoSign, bytes) => bytes,
                            (num_bigint::Sign::Minus, _) => {
                            panic!("negative numbers are not supported") }, }
                            .as_slice(),),),
                            ethabi::Token::Uint(ethabi::Uint::from_big_endian(match self
                            .request.4.clone().to_bytes_be() { (num_bigint::Sign::Plus,
                            bytes) => bytes, (num_bigint::Sign::NoSign, bytes) => bytes,
                            (num_bigint::Sign::Minus, _) => {
                            panic!("negative numbers are not supported") }, }
                            .as_slice(),),),
                            ethabi::Token::Address(ethabi::Address::from_slice(& self
                            .request.5)), ethabi::Token::Bytes(self.request.6.clone())
                        ],
                    ),
                ],
            );
            let mut encoded = Vec::with_capacity(4 + data.len());
            encoded.extend(Self::METHOD_ID);
            encoded.extend(data);
            encoded
        }
        pub fn output_call(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<substreams::scalar::BigInt, String> {
            Self::output(call.return_data.as_ref())
        }
        pub fn output(data: &[u8]) -> Result<substreams::scalar::BigInt, String> {
            let mut values = ethabi::decode(
                    &[ethabi::ParamType::Uint(256usize)],
                    data.as_ref(),
                )
                .map_err(|e| format!("unable to decode output data: {:?}", e))?;
            Ok({
                let mut v = [0 as u8; 32];
                values
                    .pop()
                    .expect("one output data should have existed")
                    .into_uint()
                    .expect(INTERNAL_ERR)
                    .to_big_endian(v.as_mut_slice());
                substreams::scalar::BigInt::from_unsigned_bytes_be(&v)
            })
        }
        pub fn match_call(call: &substreams_ethereum::pb::eth::v2::Call) -> bool {
            match call.input.get(0..4) {
                Some(signature) => Self::METHOD_ID == signature,
                None => false,
            }
        }
        pub fn call(&self, address: Vec<u8>) -> Option<substreams::scalar::BigInt> {
            use substreams_ethereum::pb::eth::rpc;
            let rpc_calls = rpc::RpcCalls {
                calls: vec![rpc::RpcCall { to_addr : address, data : self.encode(), }],
            };
            let responses = substreams_ethereum::rpc::eth_call(&rpc_calls).responses;
            let response = responses.get(0).expect("one response should have existed");
            if response.failed {
                return None;
            }
            match Self::output(response.raw.as_ref()) {
                Ok(data) => Some(data),
                Err(err) => {
                    use substreams_ethereum::Function;
                    substreams::log::info!(
                        "Call output for function `{}` failed to decode with error: {}",
                        Self::NAME, err
                    );
                    None
                }
            }
        }
    }
    impl substreams_ethereum::Function for OnSwap {
        const NAME: &'static str = "onSwap";
        fn match_call(call: &substreams_ethereum::pb::eth::v2::Call) -> bool {
            Self::match_call(call)
        }
        fn decode(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<Self, String> {
            Self::decode(call)
        }
        fn encode(&self) -> Vec<u8> {
            self.encode()
        }
    }
    impl substreams_ethereum::rpc::RPCDecodable<substreams::scalar::BigInt> for OnSwap {
        fn output(data: &[u8]) -> Result<substreams::scalar::BigInt, String> {
            Self::output(data)
        }
    }
    #[derive(Debug, Clone, PartialEq)]
    pub struct Permit {
        pub owner: Vec<u8>,
        pub spender: Vec<u8>,
        pub amount: substreams::scalar::BigInt,
        pub deadline: substreams::scalar::BigInt,
        pub v: substreams::scalar::BigInt,
        pub r: [u8; 32usize],
        pub s: [u8; 32usize],
    }
    impl Permit {
        const METHOD_ID: [u8; 4] = [213u8, 5u8, 172u8, 207u8];
        pub fn decode(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<Self, String> {
            let maybe_data = call.input.get(4..);
            if maybe_data.is_none() {
                return Err("no data to decode".to_string());
            }
            let mut values = ethabi::decode(
                    &[
                        ethabi::ParamType::Address,
                        ethabi::ParamType::Address,
                        ethabi::ParamType::Uint(256usize),
                        ethabi::ParamType::Uint(256usize),
                        ethabi::ParamType::Uint(8usize),
                        ethabi::ParamType::FixedBytes(32usize),
                        ethabi::ParamType::FixedBytes(32usize),
                    ],
                    maybe_data.unwrap(),
                )
                .map_err(|e| format!("unable to decode call.input: {:?}", e))?;
            values.reverse();
            Ok(Self {
                owner: values
                    .pop()
                    .expect(INTERNAL_ERR)
                    .into_address()
                    .expect(INTERNAL_ERR)
                    .as_bytes()
                    .to_vec(),
                spender: values
                    .pop()
                    .expect(INTERNAL_ERR)
                    .into_address()
                    .expect(INTERNAL_ERR)
                    .as_bytes()
                    .to_vec(),
                amount: {
                    let mut v = [0 as u8; 32];
                    values
                        .pop()
                        .expect(INTERNAL_ERR)
                        .into_uint()
                        .expect(INTERNAL_ERR)
                        .to_big_endian(v.as_mut_slice());
                    substreams::scalar::BigInt::from_unsigned_bytes_be(&v)
                },
                deadline: {
                    let mut v = [0 as u8; 32];
                    values
                        .pop()
                        .expect(INTERNAL_ERR)
                        .into_uint()
                        .expect(INTERNAL_ERR)
                        .to_big_endian(v.as_mut_slice());
                    substreams::scalar::BigInt::from_unsigned_bytes_be(&v)
                },
                v: {
                    let mut v = [0 as u8; 32];
                    values
                        .pop()
                        .expect(INTERNAL_ERR)
                        .into_uint()
                        .expect(INTERNAL_ERR)
                        .to_big_endian(v.as_mut_slice());
                    substreams::scalar::BigInt::from_unsigned_bytes_be(&v)
                },
                r: {
                    let mut result = [0u8; 32];
                    let v = values
                        .pop()
                        .expect(INTERNAL_ERR)
                        .into_fixed_bytes()
                        .expect(INTERNAL_ERR);
                    result.copy_from_slice(&v);
                    result
                },
                s: {
                    let mut result = [0u8; 32];
                    let v = values
                        .pop()
                        .expect(INTERNAL_ERR)
                        .into_fixed_bytes()
                        .expect(INTERNAL_ERR);
                    result.copy_from_slice(&v);
                    result
                },
            })
        }
        pub fn encode(&self) -> Vec<u8> {
            let data = ethabi::encode(
                &[
                    ethabi::Token::Address(ethabi::Address::from_slice(&self.owner)),
                    ethabi::Token::Address(ethabi::Address::from_slice(&self.spender)),
                    ethabi::Token::Uint(
                        ethabi::Uint::from_big_endian(
                            match self.amount.clone().to_bytes_be() {
                                (num_bigint::Sign::Plus, bytes) => bytes,
                                (num_bigint::Sign::NoSign, bytes) => bytes,
                                (num_bigint::Sign::Minus, _) => {
                                    panic!("negative numbers are not supported")
                                }
                            }
                                .as_slice(),
                        ),
                    ),
                    ethabi::Token::Uint(
                        ethabi::Uint::from_big_endian(
                            match self.deadline.clone().to_bytes_be() {
                                (num_bigint::Sign::Plus, bytes) => bytes,
                                (num_bigint::Sign::NoSign, bytes) => bytes,
                                (num_bigint::Sign::Minus, _) => {
                                    panic!("negative numbers are not supported")
                                }
                            }
                                .as_slice(),
                        ),
                    ),
                    ethabi::Token::Uint(
                        ethabi::Uint::from_big_endian(
                            match self.v.clone().to_bytes_be() {
                                (num_bigint::Sign::Plus, bytes) => bytes,
                                (num_bigint::Sign::NoSign, bytes) => bytes,
                                (num_bigint::Sign::Minus, _) => {
                                    panic!("negative numbers are not supported")
                                }
                            }
                                .as_slice(),
                        ),
                    ),
                    ethabi::Token::FixedBytes(self.r.as_ref().to_vec()),
                    ethabi::Token::FixedBytes(self.s.as_ref().to_vec()),
                ],
            );
            let mut encoded = Vec::with_capacity(4 + data.len());
            encoded.extend(Self::METHOD_ID);
            encoded.extend(data);
            encoded
        }
        pub fn match_call(call: &substreams_ethereum::pb::eth::v2::Call) -> bool {
            match call.input.get(0..4) {
                Some(signature) => Self::METHOD_ID == signature,
                None => false,
            }
        }
    }
    impl substreams_ethereum::Function for Permit {
        const NAME: &'static str = "permit";
        fn match_call(call: &substreams_ethereum::pb::eth::v2::Call) -> bool {
            Self::match_call(call)
        }
        fn decode(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<Self, String> {
            Self::decode(call)
        }
        fn encode(&self) -> Vec<u8> {
            self.encode()
        }
    }
    #[derive(Debug, Clone, PartialEq)]
    pub struct PermitTypehash {}
    impl PermitTypehash {
        const METHOD_ID: [u8; 4] = [48u8, 173u8, 248u8, 31u8];
        pub fn decode(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<Self, String> {
            Ok(Self {})
        }
        pub fn encode(&self) -> Vec<u8> {
            let data = ethabi::encode(&[]);
            let mut encoded = Vec::with_capacity(4 + data.len());
            encoded.extend(Self::METHOD_ID);
            encoded.extend(data);
            encoded
        }
        pub fn output_call(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<[u8; 32usize], String> {
            Self::output(call.return_data.as_ref())
        }
        pub fn output(data: &[u8]) -> Result<[u8; 32usize], String> {
            let mut values = ethabi::decode(
                    &[ethabi::ParamType::FixedBytes(32usize)],
                    data.as_ref(),
                )
                .map_err(|e| format!("unable to decode output data: {:?}", e))?;
            Ok({
                let mut result = [0u8; 32];
                let v = values
                    .pop()
                    .expect("one output data should have existed")
                    .into_fixed_bytes()
                    .expect(INTERNAL_ERR);
                result.copy_from_slice(&v);
                result
            })
        }
        pub fn match_call(call: &substreams_ethereum::pb::eth::v2::Call) -> bool {
            match call.input.get(0..4) {
                Some(signature) => Self::METHOD_ID == signature,
                None => false,
            }
        }
        pub fn call(&self, address: Vec<u8>) -> Option<[u8; 32usize]> {
            use substreams_ethereum::pb::eth::rpc;
            let rpc_calls = rpc::RpcCalls {
                calls: vec![rpc::RpcCall { to_addr : address, data : self.encode(), }],
            };
            let responses = substreams_ethereum::rpc::eth_call(&rpc_calls).responses;
            let response = responses.get(0).expect("one response should have existed");
            if response.failed {
                return None;
            }
            match Self::output(response.raw.as_ref()) {
                Ok(data) => Some(data),
                Err(err) => {
                    use substreams_ethereum::Function;
                    substreams::log::info!(
                        "Call output for function `{}` failed to decode with error: {}",
                        Self::NAME, err
                    );
                    None
                }
            }
        }
    }
    impl substreams_ethereum::Function for PermitTypehash {
        const NAME: &'static str = "PERMIT_TYPEHASH";
        fn match_call(call: &substreams_ethereum::pb::eth::v2::Call) -> bool {
            Self::match_call(call)
        }
        fn decode(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<Self, String> {
            Self::decode(call)
        }
        fn encode(&self) -> Vec<u8> {
            self.encode()
        }
    }
    impl substreams_ethereum::rpc::RPCDecodable<[u8; 32usize]> for PermitTypehash {
        fn output(data: &[u8]) -> Result<[u8; 32usize], String> {
            Self::output(data)
        }
    }
    #[derive(Debug, Clone, PartialEq)]
    pub struct SupportsInterface {
        pub interface_id: [u8; 4usize],
    }
    impl SupportsInterface {
        const METHOD_ID: [u8; 4] = [1u8, 255u8, 201u8, 167u8];
        pub fn decode(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<Self, String> {
            let maybe_data = call.input.get(4..);
            if maybe_data.is_none() {
                return Err("no data to decode".to_string());
            }
            let mut values = ethabi::decode(
                    &[ethabi::ParamType::FixedBytes(4usize)],
                    maybe_data.unwrap(),
                )
                .map_err(|e| format!("unable to decode call.input: {:?}", e))?;
            values.reverse();
            Ok(Self {
                interface_id: {
                    let mut result = [0u8; 4];
                    let v = values
                        .pop()
                        .expect(INTERNAL_ERR)
                        .into_fixed_bytes()
                        .expect(INTERNAL_ERR);
                    result.copy_from_slice(&v);
                    result
                },
            })
        }
        pub fn encode(&self) -> Vec<u8> {
            let data = ethabi::encode(
                &[ethabi::Token::FixedBytes(self.interface_id.as_ref().to_vec())],
            );
            let mut encoded = Vec::with_capacity(4 + data.len());
            encoded.extend(Self::METHOD_ID);
            encoded.extend(data);
            encoded
        }
        pub fn output_call(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<bool, String> {
            Self::output(call.return_data.as_ref())
        }
        pub fn output(data: &[u8]) -> Result<bool, String> {
            let mut values = ethabi::decode(&[ethabi::ParamType::Bool], data.as_ref())
                .map_err(|e| format!("unable to decode output data: {:?}", e))?;
            Ok(
                values
                    .pop()
                    .expect("one output data should have existed")
                    .into_bool()
                    .expect(INTERNAL_ERR),
            )
        }
        pub fn match_call(call: &substreams_ethereum::pb::eth::v2::Call) -> bool {
            match call.input.get(0..4) {
                Some(signature) => Self::METHOD_ID == signature,
                None => false,
            }
        }
        pub fn call(&self, address: Vec<u8>) -> Option<bool> {
            use substreams_ethereum::pb::eth::rpc;
            let rpc_calls = rpc::RpcCalls {
                calls: vec![rpc::RpcCall { to_addr : address, data : self.encode(), }],
            };
            let responses = substreams_ethereum::rpc::eth_call(&rpc_calls).responses;
            let response = responses.get(0).expect("one response should have existed");
            if response.failed {
                return None;
            }
            match Self::output(response.raw.as_ref()) {
                Ok(data) => Some(data),
                Err(err) => {
                    use substreams_ethereum::Function;
                    substreams::log::info!(
                        "Call output for function `{}` failed to decode with error: {}",
                        Self::NAME, err
                    );
                    None
                }
            }
        }
    }
    impl substreams_ethereum::Function for SupportsInterface {
        const NAME: &'static str = "supportsInterface";
        fn match_call(call: &substreams_ethereum::pb::eth::v2::Call) -> bool {
            Self::match_call(call)
        }
        fn decode(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<Self, String> {
            Self::decode(call)
        }
        fn encode(&self) -> Vec<u8> {
            self.encode()
        }
    }
    impl substreams_ethereum::rpc::RPCDecodable<bool> for SupportsInterface {
        fn output(data: &[u8]) -> Result<bool, String> {
            Self::output(data)
        }
    }
    #[derive(Debug, Clone, PartialEq)]
    pub struct Symbol {}
    impl Symbol {
        const METHOD_ID: [u8; 4] = [149u8, 216u8, 155u8, 65u8];
        pub fn decode(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<Self, String> {
            Ok(Self {})
        }
        pub fn encode(&self) -> Vec<u8> {
            let data = ethabi::encode(&[]);
            let mut encoded = Vec::with_capacity(4 + data.len());
            encoded.extend(Self::METHOD_ID);
            encoded.extend(data);
            encoded
        }
        pub fn output_call(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<String, String> {
            Self::output(call.return_data.as_ref())
        }
        pub fn output(data: &[u8]) -> Result<String, String> {
            let mut values = ethabi::decode(&[ethabi::ParamType::String], data.as_ref())
                .map_err(|e| format!("unable to decode output data: {:?}", e))?;
            Ok(
                values
                    .pop()
                    .expect("one output data should have existed")
                    .into_string()
                    .expect(INTERNAL_ERR),
            )
        }
        pub fn match_call(call: &substreams_ethereum::pb::eth::v2::Call) -> bool {
            match call.input.get(0..4) {
                Some(signature) => Self::METHOD_ID == signature,
                None => false,
            }
        }
        pub fn call(&self, address: Vec<u8>) -> Option<String> {
            use substreams_ethereum::pb::eth::rpc;
            let rpc_calls = rpc::RpcCalls {
                calls: vec![rpc::RpcCall { to_addr : address, data : self.encode(), }],
            };
            let responses = substreams_ethereum::rpc::eth_call(&rpc_calls).responses;
            let response = responses.get(0).expect("one response should have existed");
            if response.failed {
                return None;
            }
            match Self::output(response.raw.as_ref()) {
                Ok(data) => Some(data),
                Err(err) => {
                    use substreams_ethereum::Function;
                    substreams::log::info!(
                        "Call output for function `{}` failed to decode with error: {}",
                        Self::NAME, err
                    );
                    None
                }
            }
        }
    }
    impl substreams_ethereum::Function for Symbol {
        const NAME: &'static str = "symbol";
        fn match_call(call: &substreams_ethereum::pb::eth::v2::Call) -> bool {
            Self::match_call(call)
        }
        fn decode(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<Self, String> {
            Self::decode(call)
        }
        fn encode(&self) -> Vec<u8> {
            self.encode()
        }
    }
    impl substreams_ethereum::rpc::RPCDecodable<String> for Symbol {
        fn output(data: &[u8]) -> Result<String, String> {
            Self::output(data)
        }
    }
    #[derive(Debug, Clone, PartialEq)]
    pub struct TotalSupply {}
    impl TotalSupply {
        const METHOD_ID: [u8; 4] = [24u8, 22u8, 13u8, 221u8];
        pub fn decode(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<Self, String> {
            Ok(Self {})
        }
        pub fn encode(&self) -> Vec<u8> {
            let data = ethabi::encode(&[]);
            let mut encoded = Vec::with_capacity(4 + data.len());
            encoded.extend(Self::METHOD_ID);
            encoded.extend(data);
            encoded
        }
        pub fn output_call(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<substreams::scalar::BigInt, String> {
            Self::output(call.return_data.as_ref())
        }
        pub fn output(data: &[u8]) -> Result<substreams::scalar::BigInt, String> {
            let mut values = ethabi::decode(
                    &[ethabi::ParamType::Uint(256usize)],
                    data.as_ref(),
                )
                .map_err(|e| format!("unable to decode output data: {:?}", e))?;
            Ok({
                let mut v = [0 as u8; 32];
                values
                    .pop()
                    .expect("one output data should have existed")
                    .into_uint()
                    .expect(INTERNAL_ERR)
                    .to_big_endian(v.as_mut_slice());
                substreams::scalar::BigInt::from_unsigned_bytes_be(&v)
            })
        }
        pub fn match_call(call: &substreams_ethereum::pb::eth::v2::Call) -> bool {
            match call.input.get(0..4) {
                Some(signature) => Self::METHOD_ID == signature,
                None => false,
            }
        }
        pub fn call(&self, address: Vec<u8>) -> Option<substreams::scalar::BigInt> {
            use substreams_ethereum::pb::eth::rpc;
            let rpc_calls = rpc::RpcCalls {
                calls: vec![rpc::RpcCall { to_addr : address, data : self.encode(), }],
            };
            let responses = substreams_ethereum::rpc::eth_call(&rpc_calls).responses;
            let response = responses.get(0).expect("one response should have existed");
            if response.failed {
                return None;
            }
            match Self::output(response.raw.as_ref()) {
                Ok(data) => Some(data),
                Err(err) => {
                    use substreams_ethereum::Function;
                    substreams::log::info!(
                        "Call output for function `{}` failed to decode with error: {}",
                        Self::NAME, err
                    );
                    None
                }
            }
        }
    }
    impl substreams_ethereum::Function for TotalSupply {
        const NAME: &'static str = "totalSupply";
        fn match_call(call: &substreams_ethereum::pb::eth::v2::Call) -> bool {
            Self::match_call(call)
        }
        fn decode(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<Self, String> {
            Self::decode(call)
        }
        fn encode(&self) -> Vec<u8> {
            self.encode()
        }
    }
    impl substreams_ethereum::rpc::RPCDecodable<substreams::scalar::BigInt>
    for TotalSupply {
        fn output(data: &[u8]) -> Result<substreams::scalar::BigInt, String> {
            Self::output(data)
        }
    }
    #[derive(Debug, Clone, PartialEq)]
    pub struct Transfer {
        pub to: Vec<u8>,
        pub amount: substreams::scalar::BigInt,
    }
    impl Transfer {
        const METHOD_ID: [u8; 4] = [169u8, 5u8, 156u8, 187u8];
        pub fn decode(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<Self, String> {
            let maybe_data = call.input.get(4..);
            if maybe_data.is_none() {
                return Err("no data to decode".to_string());
            }
            let mut values = ethabi::decode(
                    &[ethabi::ParamType::Address, ethabi::ParamType::Uint(256usize)],
                    maybe_data.unwrap(),
                )
                .map_err(|e| format!("unable to decode call.input: {:?}", e))?;
            values.reverse();
            Ok(Self {
                to: values
                    .pop()
                    .expect(INTERNAL_ERR)
                    .into_address()
                    .expect(INTERNAL_ERR)
                    .as_bytes()
                    .to_vec(),
                amount: {
                    let mut v = [0 as u8; 32];
                    values
                        .pop()
                        .expect(INTERNAL_ERR)
                        .into_uint()
                        .expect(INTERNAL_ERR)
                        .to_big_endian(v.as_mut_slice());
                    substreams::scalar::BigInt::from_unsigned_bytes_be(&v)
                },
            })
        }
        pub fn encode(&self) -> Vec<u8> {
            let data = ethabi::encode(
                &[
                    ethabi::Token::Address(ethabi::Address::from_slice(&self.to)),
                    ethabi::Token::Uint(
                        ethabi::Uint::from_big_endian(
                            match self.amount.clone().to_bytes_be() {
                                (num_bigint::Sign::Plus, bytes) => bytes,
                                (num_bigint::Sign::NoSign, bytes) => bytes,
                                (num_bigint::Sign::Minus, _) => {
                                    panic!("negative numbers are not supported")
                                }
                            }
                                .as_slice(),
                        ),
                    ),
                ],
            );
            let mut encoded = Vec::with_capacity(4 + data.len());
            encoded.extend(Self::METHOD_ID);
            encoded.extend(data);
            encoded
        }
        pub fn output_call(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<bool, String> {
            Self::output(call.return_data.as_ref())
        }
        pub fn output(data: &[u8]) -> Result<bool, String> {
            let mut values = ethabi::decode(&[ethabi::ParamType::Bool], data.as_ref())
                .map_err(|e| format!("unable to decode output data: {:?}", e))?;
            Ok(
                values
                    .pop()
                    .expect("one output data should have existed")
                    .into_bool()
                    .expect(INTERNAL_ERR),
            )
        }
        pub fn match_call(call: &substreams_ethereum::pb::eth::v2::Call) -> bool {
            match call.input.get(0..4) {
                Some(signature) => Self::METHOD_ID == signature,
                None => false,
            }
        }
        pub fn call(&self, address: Vec<u8>) -> Option<bool> {
            use substreams_ethereum::pb::eth::rpc;
            let rpc_calls = rpc::RpcCalls {
                calls: vec![rpc::RpcCall { to_addr : address, data : self.encode(), }],
            };
            let responses = substreams_ethereum::rpc::eth_call(&rpc_calls).responses;
            let response = responses.get(0).expect("one response should have existed");
            if response.failed {
                return None;
            }
            match Self::output(response.raw.as_ref()) {
                Ok(data) => Some(data),
                Err(err) => {
                    use substreams_ethereum::Function;
                    substreams::log::info!(
                        "Call output for function `{}` failed to decode with error: {}",
                        Self::NAME, err
                    );
                    None
                }
            }
        }
    }
    impl substreams_ethereum::Function for Transfer {
        const NAME: &'static str = "transfer";
        fn match_call(call: &substreams_ethereum::pb::eth::v2::Call) -> bool {
            Self::match_call(call)
        }
        fn decode(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<Self, String> {
            Self::decode(call)
        }
        fn encode(&self) -> Vec<u8> {
            self.encode()
        }
    }
    impl substreams_ethereum::rpc::RPCDecodable<bool> for Transfer {
        fn output(data: &[u8]) -> Result<bool, String> {
            Self::output(data)
        }
    }
    #[derive(Debug, Clone, PartialEq)]
    pub struct TransferFrom {
        pub from: Vec<u8>,
        pub to: Vec<u8>,
        pub amount: substreams::scalar::BigInt,
    }
    impl TransferFrom {
        const METHOD_ID: [u8; 4] = [35u8, 184u8, 114u8, 221u8];
        pub fn decode(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<Self, String> {
            let maybe_data = call.input.get(4..);
            if maybe_data.is_none() {
                return Err("no data to decode".to_string());
            }
            let mut values = ethabi::decode(
                    &[
                        ethabi::ParamType::Address,
                        ethabi::ParamType::Address,
                        ethabi::ParamType::Uint(256usize),
                    ],
                    maybe_data.unwrap(),
                )
                .map_err(|e| format!("unable to decode call.input: {:?}", e))?;
            values.reverse();
            Ok(Self {
                from: values
                    .pop()
                    .expect(INTERNAL_ERR)
                    .into_address()
                    .expect(INTERNAL_ERR)
                    .as_bytes()
                    .to_vec(),
                to: values
                    .pop()
                    .expect(INTERNAL_ERR)
                    .into_address()
                    .expect(INTERNAL_ERR)
                    .as_bytes()
                    .to_vec(),
                amount: {
                    let mut v = [0 as u8; 32];
                    values
                        .pop()
                        .expect(INTERNAL_ERR)
                        .into_uint()
                        .expect(INTERNAL_ERR)
                        .to_big_endian(v.as_mut_slice());
                    substreams::scalar::BigInt::from_unsigned_bytes_be(&v)
                },
            })
        }
        pub fn encode(&self) -> Vec<u8> {
            let data = ethabi::encode(
                &[
                    ethabi::Token::Address(ethabi::Address::from_slice(&self.from)),
                    ethabi::Token::Address(ethabi::Address::from_slice(&self.to)),
                    ethabi::Token::Uint(
                        ethabi::Uint::from_big_endian(
                            match self.amount.clone().to_bytes_be() {
                                (num_bigint::Sign::Plus, bytes) => bytes,
                                (num_bigint::Sign::NoSign, bytes) => bytes,
                                (num_bigint::Sign::Minus, _) => {
                                    panic!("negative numbers are not supported")
                                }
                            }
                                .as_slice(),
                        ),
                    ),
                ],
            );
            let mut encoded = Vec::with_capacity(4 + data.len());
            encoded.extend(Self::METHOD_ID);
            encoded.extend(data);
            encoded
        }
        pub fn output_call(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<bool, String> {
            Self::output(call.return_data.as_ref())
        }
        pub fn output(data: &[u8]) -> Result<bool, String> {
            let mut values = ethabi::decode(&[ethabi::ParamType::Bool], data.as_ref())
                .map_err(|e| format!("unable to decode output data: {:?}", e))?;
            Ok(
                values
                    .pop()
                    .expect("one output data should have existed")
                    .into_bool()
                    .expect(INTERNAL_ERR),
            )
        }
        pub fn match_call(call: &substreams_ethereum::pb::eth::v2::Call) -> bool {
            match call.input.get(0..4) {
                Some(signature) => Self::METHOD_ID == signature,
                None => false,
            }
        }
        pub fn call(&self, address: Vec<u8>) -> Option<bool> {
            use substreams_ethereum::pb::eth::rpc;
            let rpc_calls = rpc::RpcCalls {
                calls: vec![rpc::RpcCall { to_addr : address, data : self.encode(), }],
            };
            let responses = substreams_ethereum::rpc::eth_call(&rpc_calls).responses;
            let response = responses.get(0).expect("one response should have existed");
            if response.failed {
                return None;
            }
            match Self::output(response.raw.as_ref()) {
                Ok(data) => Some(data),
                Err(err) => {
                    use substreams_ethereum::Function;
                    substreams::log::info!(
                        "Call output for function `{}` failed to decode with error: {}",
                        Self::NAME, err
                    );
                    None
                }
            }
        }
    }
    impl substreams_ethereum::Function for TransferFrom {
        const NAME: &'static str = "transferFrom";
        fn match_call(call: &substreams_ethereum::pb::eth::v2::Call) -> bool {
            Self::match_call(call)
        }
        fn decode(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<Self, String> {
            Self::decode(call)
        }
        fn encode(&self) -> Vec<u8> {
            self.encode()
        }
    }
    impl substreams_ethereum::rpc::RPCDecodable<bool> for TransferFrom {
        fn output(data: &[u8]) -> Result<bool, String> {
            Self::output(data)
        }
    }
    #[derive(Debug, Clone, PartialEq)]
    pub struct Version {}
    impl Version {
        const METHOD_ID: [u8; 4] = [84u8, 253u8, 77u8, 80u8];
        pub fn decode(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<Self, String> {
            Ok(Self {})
        }
        pub fn encode(&self) -> Vec<u8> {
            let data = ethabi::encode(&[]);
            let mut encoded = Vec::with_capacity(4 + data.len());
            encoded.extend(Self::METHOD_ID);
            encoded.extend(data);
            encoded
        }
        pub fn output_call(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<String, String> {
            Self::output(call.return_data.as_ref())
        }
        pub fn output(data: &[u8]) -> Result<String, String> {
            let mut values = ethabi::decode(&[ethabi::ParamType::String], data.as_ref())
                .map_err(|e| format!("unable to decode output data: {:?}", e))?;
            Ok(
                values
                    .pop()
                    .expect("one output data should have existed")
                    .into_string()
                    .expect(INTERNAL_ERR),
            )
        }
        pub fn match_call(call: &substreams_ethereum::pb::eth::v2::Call) -> bool {
            match call.input.get(0..4) {
                Some(signature) => Self::METHOD_ID == signature,
                None => false,
            }
        }
        pub fn call(&self, address: Vec<u8>) -> Option<String> {
            use substreams_ethereum::pb::eth::rpc;
            let rpc_calls = rpc::RpcCalls {
                calls: vec![rpc::RpcCall { to_addr : address, data : self.encode(), }],
            };
            let responses = substreams_ethereum::rpc::eth_call(&rpc_calls).responses;
            let response = responses.get(0).expect("one response should have existed");
            if response.failed {
                return None;
            }
            match Self::output(response.raw.as_ref()) {
                Ok(data) => Some(data),
                Err(err) => {
                    use substreams_ethereum::Function;
                    substreams::log::info!(
                        "Call output for function `{}` failed to decode with error: {}",
                        Self::NAME, err
                    );
                    None
                }
            }
        }
    }
    impl substreams_ethereum::Function for Version {
        const NAME: &'static str = "version";
        fn match_call(call: &substreams_ethereum::pb::eth::v2::Call) -> bool {
            Self::match_call(call)
        }
        fn decode(
            call: &substreams_ethereum::pb::eth::v2::Call,
        ) -> Result<Self, String> {
            Self::decode(call)
        }
        fn encode(&self) -> Vec<u8> {
            self.encode()
        }
    }
    impl substreams_ethereum::rpc::RPCDecodable<String> for Version {
        fn output(data: &[u8]) -> Result<String, String> {
            Self::output(data)
        }
    }
}
/// Contract's events.
#[allow(dead_code, unused_imports, unused_variables)]
pub mod events {
    use super::INTERNAL_ERR;
    #[derive(Debug, Clone, PartialEq)]
    pub struct Approval {
        pub owner: Vec<u8>,
        pub spender: Vec<u8>,
        pub value: substreams::scalar::BigInt,
    }
    impl Approval {
        const TOPIC_ID: [u8; 32] = [
            140u8,
            91u8,
            225u8,
            229u8,
            235u8,
            236u8,
            125u8,
            91u8,
            209u8,
            79u8,
            113u8,
            66u8,
            125u8,
            30u8,
            132u8,
            243u8,
            221u8,
            3u8,
            20u8,
            192u8,
            247u8,
            178u8,
            41u8,
            30u8,
            91u8,
            32u8,
            10u8,
            200u8,
            199u8,
            195u8,
            185u8,
            37u8,
        ];
        pub fn match_log(log: &substreams_ethereum::pb::eth::v2::Log) -> bool {
            if log.topics.len() != 3usize {
                return false;
            }
            if log.data.len() != 32usize {
                return false;
            }
            return log.topics.get(0).expect("bounds already checked").as_ref()
                == Self::TOPIC_ID;
        }
        pub fn decode(
            log: &substreams_ethereum::pb::eth::v2::Log,
        ) -> Result<Self, String> {
            let mut values = ethabi::decode(
                    &[ethabi::ParamType::Uint(256usize)],
                    log.data.as_ref(),
                )
                .map_err(|e| format!("unable to decode log.data: {:?}", e))?;
            values.reverse();
            Ok(Self {
                owner: ethabi::decode(
                        &[ethabi::ParamType::Address],
                        log.topics[1usize].as_ref(),
                    )
                    .map_err(|e| {
                        format!(
                            "unable to decode param 'owner' from topic of type 'address': {:?}",
                            e
                        )
                    })?
                    .pop()
                    .expect(INTERNAL_ERR)
                    .into_address()
                    .expect(INTERNAL_ERR)
                    .as_bytes()
                    .to_vec(),
                spender: ethabi::decode(
                        &[ethabi::ParamType::Address],
                        log.topics[2usize].as_ref(),
                    )
                    .map_err(|e| {
                        format!(
                            "unable to decode param 'spender' from topic of type 'address': {:?}",
                            e
                        )
                    })?
                    .pop()
                    .expect(INTERNAL_ERR)
                    .into_address()
                    .expect(INTERNAL_ERR)
                    .as_bytes()
                    .to_vec(),
                value: {
                    let mut v = [0 as u8; 32];
                    values
                        .pop()
                        .expect(INTERNAL_ERR)
                        .into_uint()
                        .expect(INTERNAL_ERR)
                        .to_big_endian(v.as_mut_slice());
                    substreams::scalar::BigInt::from_unsigned_bytes_be(&v)
                },
            })
        }
    }
    impl substreams_ethereum::Event for Approval {
        const NAME: &'static str = "Approval";
        fn match_log(log: &substreams_ethereum::pb::eth::v2::Log) -> bool {
            Self::match_log(log)
        }
        fn decode(log: &substreams_ethereum::pb::eth::v2::Log) -> Result<Self, String> {
            Self::decode(log)
        }
    }
    #[derive(Debug, Clone, PartialEq)]
    pub struct Eip712DomainChanged {}
    impl Eip712DomainChanged {
        const TOPIC_ID: [u8; 32] = [
            10u8,
            99u8,
            135u8,
            201u8,
            234u8,
            54u8,
            40u8,
            184u8,
            138u8,
            99u8,
            59u8,
            180u8,
            243u8,
            177u8,
            81u8,
            119u8,
            15u8,
            112u8,
            8u8,
            81u8,
            23u8,
            161u8,
            95u8,
            155u8,
            243u8,
            120u8,
            124u8,
            218u8,
            83u8,
            241u8,
            61u8,
            49u8,
        ];
        pub fn match_log(log: &substreams_ethereum::pb::eth::v2::Log) -> bool {
            if log.topics.len() != 1usize {
                return false;
            }
            if log.data.len() != 0usize {
                return false;
            }
            return log.topics.get(0).expect("bounds already checked").as_ref()
                == Self::TOPIC_ID;
        }
        pub fn decode(
            log: &substreams_ethereum::pb::eth::v2::Log,
        ) -> Result<Self, String> {
            Ok(Self {})
        }
    }
    impl substreams_ethereum::Event for Eip712DomainChanged {
        const NAME: &'static str = "EIP712DomainChanged";
        fn match_log(log: &substreams_ethereum::pb::eth::v2::Log) -> bool {
            Self::match_log(log)
        }
        fn decode(log: &substreams_ethereum::pb::eth::v2::Log) -> Result<Self, String> {
            Self::decode(log)
        }
    }
    #[derive(Debug, Clone, PartialEq)]
    pub struct Transfer {
        pub from: Vec<u8>,
        pub to: Vec<u8>,
        pub value: substreams::scalar::BigInt,
    }
    impl Transfer {
        const TOPIC_ID: [u8; 32] = [
            221u8,
            242u8,
            82u8,
            173u8,
            27u8,
            226u8,
            200u8,
            155u8,
            105u8,
            194u8,
            176u8,
            104u8,
            252u8,
            55u8,
            141u8,
            170u8,
            149u8,
            43u8,
            167u8,
            241u8,
            99u8,
            196u8,
            161u8,
            22u8,
            40u8,
            245u8,
            90u8,
            77u8,
            245u8,
            35u8,
            179u8,
            239u8,
        ];
        pub fn match_log(log: &substreams_ethereum::pb::eth::v2::Log) -> bool {
            if log.topics.len() != 3usize {
                return false;
            }
            if log.data.len() != 32usize {
                return false;
            }
            return log.topics.get(0).expect("bounds already checked").as_ref()
                == Self::TOPIC_ID;
        }
        pub fn decode(
            log: &substreams_ethereum::pb::eth::v2::Log,
        ) -> Result<Self, String> {
            let mut values = ethabi::decode(
                    &[ethabi::ParamType::Uint(256usize)],
                    log.data.as_ref(),
                )
                .map_err(|e| format!("unable to decode log.data: {:?}", e))?;
            values.reverse();
            Ok(Self {
                from: ethabi::decode(
                        &[ethabi::ParamType::Address],
                        log.topics[1usize].as_ref(),
                    )
                    .map_err(|e| {
                        format!(
                            "unable to decode param 'from' from topic of type 'address': {:?}",
                            e
                        )
                    })?
                    .pop()
                    .expect(INTERNAL_ERR)
                    .into_address()
                    .expect(INTERNAL_ERR)
                    .as_bytes()
                    .to_vec(),
                to: ethabi::decode(
                        &[ethabi::ParamType::Address],
                        log.topics[2usize].as_ref(),
                    )
                    .map_err(|e| {
                        format!(
                            "unable to decode param 'to' from topic of type 'address': {:?}",
                            e
                        )
                    })?
                    .pop()
                    .expect(INTERNAL_ERR)
                    .into_address()
                    .expect(INTERNAL_ERR)
                    .as_bytes()
                    .to_vec(),
                value: {
                    let mut v = [0 as u8; 32];
                    values
                        .pop()
                        .expect(INTERNAL_ERR)
                        .into_uint()
                        .expect(INTERNAL_ERR)
                        .to_big_endian(v.as_mut_slice());
                    substreams::scalar::BigInt::from_unsigned_bytes_be(&v)
                },
            })
        }
    }
    impl substreams_ethereum::Event for Transfer {
        const NAME: &'static str = "Transfer";
        fn match_log(log: &substreams_ethereum::pb::eth::v2::Log) -> bool {
            Self::match_log(log)
        }
        fn decode(log: &substreams_ethereum::pb::eth::v2::Log) -> Result<Self, String> {
            Self::decode(log)
        }
    }
}