feat(solana): solidity solana constructor

Cargo.toml

@@ -25,6 +25,8 @@ members = [
     "packages/relayer/modules/eth-to-cosmos-compat",
     "packages/relayer/modules/solana-to-cosmos",
     "packages/relayer/modules/cosmos-to-solana",
+    "packages/relayer/modules/eth-to-solana",
+    "packages/relayer/modules/solana-to-eth",
     "packages/sp1-ics07-tendermint-prover",
 
     # Programs (binaries)
@@ -55,6 +57,8 @@ ibc-eureka-relayer-eth-to-eth           = { path = "packages/relayer/modules/eth
 ibc-eureka-relayer-cosmos-to-cosmos     = { path = "packages/relayer/modules/cosmos-to-cosmos", default-features = false }
 ibc-eureka-relayer-solana-to-cosmos     = { path = "packages/relayer/modules/solana-to-cosmos", default-features = false }
 ibc-eureka-relayer-cosmos-to-solana     = { path = "packages/relayer/modules/cosmos-to-solana", default-features = false }
+ibc-eureka-relayer-eth-to-solana        = { path = "packages/relayer/modules/eth-to-solana", default-features = false }
+ibc-eureka-relayer-solana-to-eth        = { path = "packages/relayer/modules/solana-to-eth", default-features = false }
 ibc-eureka-utils                        = { path = "packages/utils", default-features = false }
 ibc-eureka-constrained-types            = { path = "packages/constrained_types", default-features = false }
 sp1-ics07-tendermint-prover             = { path = "packages/sp1-ics07-tendermint-prover", default-features = false }

contracts/utils/SolanaIFTSendCallConstructor.sol

@@ -0,0 +1,33 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.28;
+
+import { IIFTSendCallConstructor } from "../interfaces/IIFTSendCallConstructor.sol";
+
+import { Strings } from "@openzeppelin-contracts/utils/Strings.sol";
+import { ERC165 } from "@openzeppelin-contracts/utils/introspection/ERC165.sol";
+import { IERC165 } from "@openzeppelin-contracts/utils/introspection/IERC165.sol";
+
+/// @title Solana IFT Send Call Constructor
+/// @notice Constructs ICS27-GMP call data for minting IFT tokens on Solana counterparty chains
+contract SolanaIFTSendCallConstructor is IIFTSendCallConstructor, ERC165 {
+    /// @notice Expected length of a 0x-prefixed hex-encoded Solana public key (2 + 64)
+    uint256 private constant SOLANA_PUBKEY_HEX_LENGTH = 66;
+
+    /// @notice Error thrown when the receiver address is invalid
+    /// @param receiver The invalid receiver string
+    error SolanaIFTInvalidReceiver(string receiver);
+
+    /// @inheritdoc IIFTSendCallConstructor
+    function constructMintCall(string calldata receiver, uint256 amount) external pure returns (bytes memory) {
+        require(bytes(receiver).length == SOLANA_PUBKEY_HEX_LENGTH, SolanaIFTInvalidReceiver(receiver));
+        (bool success, uint256 parsed) = Strings.tryParseHexUint(receiver);
+        require(success, SolanaIFTInvalidReceiver(receiver));
+
+        return abi.encode(bytes32(parsed), amount);
+    }
+
+    /// @inheritdoc ERC165
+    function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) {
+        return interfaceId == type(IIFTSendCallConstructor).interfaceId || super.supportsInterface(interfaceId);
+    }
+}

e2e/interchaintestv8/ethereum/utils.go

@@ -37,6 +37,7 @@ type DeployedContracts struct {
 	Ift string `json:"ift,omitempty"`
 	// CosmosIFTSendCallConstructor (optional, deployed when IFT_ICA_ADDRESS is set)
 	CosmosIftConstructor string `json:"cosmosIftConstructor,omitempty"`
+	SolanaIftConstructor string `json:"solanaIftConstructor,omitempty"`
 }
 
 // GetVerifierAddress returns the appropriate verifier address based on prover type and proof type.