feat(substreams): add substreams for Uniswap v2 and v3

substreams/ethereum-uniswap-v3/src/storage/constants.rs

@@ -0,0 +1,60 @@
+use hex_literal::hex;
+
+use super::pool_storage::StorageLocation;
+
+const SLOT0: [u8; 32] = hex!("0000000000000000000000000000000000000000000000000000000000000000");
+
+const LIQUIDITY_SLOT: StorageLocation = StorageLocation {
+    name: "liquidity",
+    slot: hex!("0000000000000000000000000000000000000000000000000000000000000004"),
+    offset: 0,
+    number_of_bytes: 16,
+    signed: false,
+};
+
+const PROTOCOL_FEES_TOKEN_0_SLOT: StorageLocation = StorageLocation {
+    name: "protocol_fees/token0",
+    slot: hex!("0000000000000000000000000000000000000000000000000000000000000003"),
+    offset: 0,
+    number_of_bytes: 16,
+    signed: false,
+};
+
+const PROTOCOL_FEES_TOKEN_1_SLOT: StorageLocation = StorageLocation {
+    name: "protocol_fees/token1",
+    slot: hex!("0000000000000000000000000000000000000000000000000000000000000003"),
+    offset: 16,
+    number_of_bytes: 16,
+    signed: false,
+};
+
+const SQRT_PRICE_X96_SLOT: StorageLocation = StorageLocation {
+    name: "sqrt_price_x96",
+    slot: SLOT0,
+    offset: 0,
+    number_of_bytes: 20,
+    signed: false,
+};
+
+const CURRENT_TICK_SLOT: StorageLocation =
+    StorageLocation { name: "tick", slot: SLOT0, offset: 20, number_of_bytes: 3, signed: true };
+
+const FEE_PROTOCOL_SLOT: StorageLocation = StorageLocation {
+    name: "fee_protocol",
+    slot: SLOT0,
+    offset: 29,
+    number_of_bytes: 1,
+    signed: false,
+};
+
+pub(crate) const TICKS_MAP_SLOT: [u8; 32] =
+    hex!("0000000000000000000000000000000000000000000000000000000000000005");
+
+pub(crate) const TRACKED_SLOTS: [StorageLocation; 6] = [
+    LIQUIDITY_SLOT,
+    PROTOCOL_FEES_TOKEN_0_SLOT,
+    PROTOCOL_FEES_TOKEN_1_SLOT,
+    SQRT_PRICE_X96_SLOT,
+    CURRENT_TICK_SLOT,
+    FEE_PROTOCOL_SLOT,
+];