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 param0: Vec<u8>,
        pub param1: 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 {
                param0: values
                    .pop()
                    .expect(INTERNAL_ERR)
                    .into_address()
                    .expect(INTERNAL_ERR)
                    .as_bytes()
                    .to_vec(),
                param1: 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.param0)),
                    ethabi::Token::Address(ethabi::Address::from_slice(&self.param1)),
                ],
            );
            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 value: 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(),
                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)
                },
            })
        }
        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.value.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 param0: 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 {
                param0: 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.param0))],
            );
            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 Burn {
        pub to: Vec<u8>,
    }
    impl Burn {
        const METHOD_ID: [u8; 4] = [137u8, 175u8, 203u8, 68u8];
        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 {
                to: 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.to))],
            );
            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 Burn {
        const NAME: &'static str = "burn";
        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 Burn {
        fn output(
            data: &[u8],
        ) -> Result<(substreams::scalar::BigInt, 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 Factory {}
    impl Factory {
        const METHOD_ID: [u8; 4] = [196u8, 90u8, 1u8, 85u8];
        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 Factory {
        const NAME: &'static str = "factory";
        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 Factory {
        fn output(data: &[u8]) -> Result<Vec<u8>, String> {
            Self::output(data)
        }
    }
    #[derive(Debug, Clone, PartialEq)]
    pub struct GetReserves {}
    impl GetReserves {
        const METHOD_ID: [u8; 4] = [9u8, 2u8, 241u8, 172u8];
        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,
                substreams::scalar::BigInt,
            ),
            String,
        > {
            Self::output(call.return_data.as_ref())
        }
        pub fn output(
            data: &[u8],
        ) -> Result<
            (
                substreams::scalar::BigInt,
                substreams::scalar::BigInt,
                substreams::scalar::BigInt,
            ),
            String,
        > {
            let mut values = ethabi::decode(
                    &[
                        ethabi::ParamType::Uint(112usize),
                        ethabi::ParamType::Uint(112usize),
                        ethabi::ParamType::Uint(32usize),
                    ],
                    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)
                },
                {
                    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,
                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 GetReserves {
        const NAME: &'static str = "getReserves";
        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,
            substreams::scalar::BigInt,
        ),
    > for GetReserves {
        fn output(
            data: &[u8],
        ) -> Result<
            (
                substreams::scalar::BigInt,
                substreams::scalar::BigInt,
                substreams::scalar::BigInt,
            ),
            String,
        > {
            Self::output(data)
        }
    }
    #[derive(Debug, Clone, PartialEq)]
    pub struct Initialize {
        pub token0: Vec<u8>,
        pub token1: Vec<u8>,
    }
    impl Initialize {
        const METHOD_ID: [u8; 4] = [72u8, 92u8, 201u8, 85u8];
        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 {
                token0: values
                    .pop()
                    .expect(INTERNAL_ERR)
                    .into_address()
                    .expect(INTERNAL_ERR)
                    .as_bytes()
                    .to_vec(),
                token1: 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.token0)),
                    ethabi::Token::Address(ethabi::Address::from_slice(&self.token1)),
                ],
            );
            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 Initialize {
        const NAME: &'static str = "initialize";
        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 KLast {}
    impl KLast {
        const METHOD_ID: [u8; 4] = [116u8, 100u8, 252u8, 61u8];
        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 KLast {
        const NAME: &'static str = "kLast";
        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 KLast {
        fn output(data: &[u8]) -> Result<substreams::scalar::BigInt, String> {
            Self::output(data)
        }
    }
    #[derive(Debug, Clone, PartialEq)]
    pub struct MinimumLiquidity {}
    impl MinimumLiquidity {
        const METHOD_ID: [u8; 4] = [186u8, 154u8, 122u8, 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 MinimumLiquidity {
        const NAME: &'static str = "MINIMUM_LIQUIDITY";
        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 MinimumLiquidity {
        fn output(data: &[u8]) -> Result<substreams::scalar::BigInt, String> {
            Self::output(data)
        }
    }
    #[derive(Debug, Clone, PartialEq)]
    pub struct Mint {
        pub to: Vec<u8>,
    }
    impl Mint {
        const METHOD_ID: [u8; 4] = [106u8, 98u8, 120u8, 66u8];
        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 {
                to: 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.to))],
            );
            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 Mint {
        const NAME: &'static str = "mint";
        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 Mint {
        fn output(data: &[u8]) -> Result<substreams::scalar::BigInt, String> {
            Self::output(data)
        }
    }
    #[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 param0: 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 {
                param0: 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.param0))],
            );
            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 Permit {
        pub owner: Vec<u8>,
        pub spender: Vec<u8>,
        pub value: 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(),
                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)
                },
                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.value.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 Price0CumulativeLast {}
    impl Price0CumulativeLast {
        const METHOD_ID: [u8; 4] = [89u8, 9u8, 192u8, 213u8];
        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 Price0CumulativeLast {
        const NAME: &'static str = "price0CumulativeLast";
        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 Price0CumulativeLast {
        fn output(data: &[u8]) -> Result<substreams::scalar::BigInt, String> {
            Self::output(data)
        }
    }
    #[derive(Debug, Clone, PartialEq)]
    pub struct Price1CumulativeLast {}
    impl Price1CumulativeLast {
        const METHOD_ID: [u8; 4] = [90u8, 61u8, 84u8, 147u8];
        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 Price1CumulativeLast {
        const NAME: &'static str = "price1CumulativeLast";
        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 Price1CumulativeLast {
        fn output(data: &[u8]) -> Result<substreams::scalar::BigInt, String> {
            Self::output(data)
        }
    }
    #[derive(Debug, Clone, PartialEq)]
    pub struct Skim {
        pub to: Vec<u8>,
    }
    impl Skim {
        const METHOD_ID: [u8; 4] = [188u8, 37u8, 207u8, 119u8];
        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 {
                to: 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.to))],
            );
            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 Skim {
        const NAME: &'static str = "skim";
        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 Swap {
        pub amount0_out: substreams::scalar::BigInt,
        pub amount1_out: substreams::scalar::BigInt,
        pub to: Vec<u8>,
        pub data: Vec<u8>,
    }
    impl Swap {
        const METHOD_ID: [u8; 4] = [2u8, 44u8, 13u8, 159u8];
        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::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 {
                amount0_out: {
                    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)
                },
                amount1_out: {
                    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)
                },
                to: values
                    .pop()
                    .expect(INTERNAL_ERR)
                    .into_address()
                    .expect(INTERNAL_ERR)
                    .as_bytes()
                    .to_vec(),
                data: values.pop().expect(INTERNAL_ERR).into_bytes().expect(INTERNAL_ERR),
            })
        }
        pub fn encode(&self) -> Vec<u8> {
            let data = ethabi::encode(
                &[
                    ethabi::Token::Uint(
                        ethabi::Uint::from_big_endian(
                            match self.amount0_out.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.amount1_out.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.to)),
                    ethabi::Token::Bytes(self.data.clone()),
                ],
            );
            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 Swap {
        const NAME: &'static str = "swap";
        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 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 Sync {}
    impl Sync {
        const METHOD_ID: [u8; 4] = [255u8, 246u8, 202u8, 233u8];
        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 Sync {
        const NAME: &'static str = "sync";
        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 Token0 {}
    impl Token0 {
        const METHOD_ID: [u8; 4] = [13u8, 254u8, 22u8, 129u8];
        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 Token0 {
        const NAME: &'static str = "token0";
        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 Token0 {
        fn output(data: &[u8]) -> Result<Vec<u8>, String> {
            Self::output(data)
        }
    }
    #[derive(Debug, Clone, PartialEq)]
    pub struct Token1 {}
    impl Token1 {
        const METHOD_ID: [u8; 4] = [210u8, 18u8, 32u8, 167u8];
        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 Token1 {
        const NAME: &'static str = "token1";
        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 Token1 {
        fn output(data: &[u8]) -> Result<Vec<u8>, 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 value: 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(),
                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)
                },
            })
        }
        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.value.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 value: 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(),
                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)
                },
            })
        }
        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.value.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)
        }
    }
}
/// 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 Burn {
        pub sender: Vec<u8>,
        pub amount0: substreams::scalar::BigInt,
        pub amount1: substreams::scalar::BigInt,
        pub to: Vec<u8>,
    }
    impl Burn {
        const TOPIC_ID: [u8; 32] = [
            220u8,
            205u8,
            65u8,
            47u8,
            11u8,
            18u8,
            82u8,
            129u8,
            156u8,
            177u8,
            253u8,
            51u8,
            11u8,
            147u8,
            34u8,
            76u8,
            164u8,
            38u8,
            18u8,
            137u8,
            43u8,
            179u8,
            244u8,
            247u8,
            137u8,
            151u8,
            110u8,
            109u8,
            129u8,
            147u8,
            100u8,
            150u8,
        ];
        pub fn match_log(log: &substreams_ethereum::pb::eth::v2::Log) -> bool {
            if log.topics.len() != 3usize {
                return false;
            }
            if log.data.len() != 64usize {
                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),
                        ethabi::ParamType::Uint(256usize),
                    ],
                    log.data.as_ref(),
                )
                .map_err(|e| format!("unable to decode log.data: {:?}", e))?;
            values.reverse();
            Ok(Self {
                sender: ethabi::decode(
                        &[ethabi::ParamType::Address],
                        log.topics[1usize].as_ref(),
                    )
                    .map_err(|e| {
                        format!(
                            "unable to decode param 'sender' 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(),
                amount0: {
                    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)
                },
                amount1: {
                    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 Burn {
        const NAME: &'static str = "Burn";
        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 Mint {
        pub sender: Vec<u8>,
        pub amount0: substreams::scalar::BigInt,
        pub amount1: substreams::scalar::BigInt,
    }
    impl Mint {
        const TOPIC_ID: [u8; 32] = [
            76u8,
            32u8,
            155u8,
            95u8,
            200u8,
            173u8,
            80u8,
            117u8,
            143u8,
            19u8,
            226u8,
            225u8,
            8u8,
            139u8,
            165u8,
            106u8,
            86u8,
            13u8,
            255u8,
            105u8,
            10u8,
            28u8,
            111u8,
            239u8,
            38u8,
            57u8,
            79u8,
            76u8,
            3u8,
            130u8,
            28u8,
            79u8,
        ];
        pub fn match_log(log: &substreams_ethereum::pb::eth::v2::Log) -> bool {
            if log.topics.len() != 2usize {
                return false;
            }
            if log.data.len() != 64usize {
                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),
                        ethabi::ParamType::Uint(256usize),
                    ],
                    log.data.as_ref(),
                )
                .map_err(|e| format!("unable to decode log.data: {:?}", e))?;
            values.reverse();
            Ok(Self {
                sender: ethabi::decode(
                        &[ethabi::ParamType::Address],
                        log.topics[1usize].as_ref(),
                    )
                    .map_err(|e| {
                        format!(
                            "unable to decode param 'sender' from topic of type 'address': {:?}",
                            e
                        )
                    })?
                    .pop()
                    .expect(INTERNAL_ERR)
                    .into_address()
                    .expect(INTERNAL_ERR)
                    .as_bytes()
                    .to_vec(),
                amount0: {
                    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)
                },
                amount1: {
                    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 Mint {
        const NAME: &'static str = "Mint";
        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 Swap {
        pub sender: Vec<u8>,
        pub amount0_in: substreams::scalar::BigInt,
        pub amount1_in: substreams::scalar::BigInt,
        pub amount0_out: substreams::scalar::BigInt,
        pub amount1_out: substreams::scalar::BigInt,
        pub to: Vec<u8>,
    }
    impl Swap {
        const TOPIC_ID: [u8; 32] = [
            215u8,
            138u8,
            217u8,
            95u8,
            164u8,
            108u8,
            153u8,
            75u8,
            101u8,
            81u8,
            208u8,
            218u8,
            133u8,
            252u8,
            39u8,
            95u8,
            230u8,
            19u8,
            206u8,
            55u8,
            101u8,
            127u8,
            184u8,
            213u8,
            227u8,
            209u8,
            48u8,
            132u8,
            1u8,
            89u8,
            216u8,
            34u8,
        ];
        pub fn match_log(log: &substreams_ethereum::pb::eth::v2::Log) -> bool {
            if log.topics.len() != 3usize {
                return false;
            }
            if log.data.len() != 128usize {
                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),
                        ethabi::ParamType::Uint(256usize),
                        ethabi::ParamType::Uint(256usize),
                        ethabi::ParamType::Uint(256usize),
                    ],
                    log.data.as_ref(),
                )
                .map_err(|e| format!("unable to decode log.data: {:?}", e))?;
            values.reverse();
            Ok(Self {
                sender: ethabi::decode(
                        &[ethabi::ParamType::Address],
                        log.topics[1usize].as_ref(),
                    )
                    .map_err(|e| {
                        format!(
                            "unable to decode param 'sender' 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(),
                amount0_in: {
                    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)
                },
                amount1_in: {
                    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)
                },
                amount0_out: {
                    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)
                },
                amount1_out: {
                    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 Swap {
        const NAME: &'static str = "Swap";
        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 Sync {
        pub reserve0: substreams::scalar::BigInt,
        pub reserve1: substreams::scalar::BigInt,
    }
    impl Sync {
        const TOPIC_ID: [u8; 32] = [
            28u8,
            65u8,
            30u8,
            154u8,
            150u8,
            224u8,
            113u8,
            36u8,
            28u8,
            47u8,
            33u8,
            247u8,
            114u8,
            107u8,
            23u8,
            174u8,
            137u8,
            227u8,
            202u8,
            180u8,
            199u8,
            139u8,
            229u8,
            14u8,
            6u8,
            43u8,
            3u8,
            169u8,
            255u8,
            251u8,
            186u8,
            209u8,
        ];
        pub fn match_log(log: &substreams_ethereum::pb::eth::v2::Log) -> bool {
            if log.topics.len() != 1usize {
                return false;
            }
            if log.data.len() != 64usize {
                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(112usize),
                        ethabi::ParamType::Uint(112usize),
                    ],
                    log.data.as_ref(),
                )
                .map_err(|e| format!("unable to decode log.data: {:?}", e))?;
            values.reverse();
            Ok(Self {
                reserve0: {
                    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)
                },
                reserve1: {
                    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 Sync {
        const NAME: &'static str = "Sync";
        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)
        }
    }
}