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Use dedicated cusdc_v2/cusdt_v2 SVG paths so GRU token alignment validation passes.
52 lines
1.9 KiB
Solidity
52 lines
1.9 KiB
Solidity
// SPDX-License-Identifier: MIT
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pragma solidity ^0.8.19;
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/**
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* @title AccountHashing
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* @notice Utilities for hashing account identifiers with salts to protect PII
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*/
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library AccountHashing {
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/**
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* @notice Generates a hashed account reference ID
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* @param rail The payment rail identifier (e.g., "FEDWIRE", "SEPA")
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* @param countryCode The country code (e.g., "US", "DE")
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* @param accountIdentifier The account identifier (IBAN, ABA, etc.) - should be hashed off-chain
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* @param salt A unique salt for this account
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* @return accountRefId The hashed account reference ID
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*/
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function hashAccountRef(
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bytes32 rail,
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bytes32 countryCode,
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bytes32 accountIdentifier,
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bytes32 salt
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) internal pure returns (bytes32 accountRefId) {
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return keccak256(abi.encodePacked(rail, countryCode, accountIdentifier, salt));
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}
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/**
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* @notice Generates a hashed wallet reference ID
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* @param chainId The chain ID where the wallet exists
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* @param walletAddress The wallet address
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* @param providerId The provider identifier (e.g., "METAMASK", "FIREBLOCKS")
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* @return walletRefId The hashed wallet reference ID
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*/
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function hashWalletRef(
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uint256 chainId,
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address walletAddress,
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bytes32 providerId
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) internal pure returns (bytes32 walletRefId) {
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return keccak256(abi.encodePacked(chainId, walletAddress, providerId));
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}
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/**
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* @notice Generates an ICAN (Internal Canonical Account Number) reference ID
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* @param namespace The internal namespace identifier
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* @param accountId The internal account ID
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* @return icanRefId The ICAN reference ID
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*/
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function hashICANRef(bytes32 namespace, bytes32 accountId) internal pure returns (bytes32 icanRefId) {
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return keccak256(abi.encodePacked(namespace, accountId));
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}
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}
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