@wasserstoff/tribes-sdk/dist/src/utils/signatures.js

SDK for integrating with Tribes by Astrix platform on any EVM compatible chain

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.createSpendSignature = createSpendSignature;
exports.createPointRedemptionSignature = createPointRedemptionSignature;
exports.verifySpendSignature = verifySpendSignature;
exports.verifyPointRedemptionSignature = verifyPointRedemptionSignature;
const ethers_1 = require("ethers");
/**
 * Create a signature for spending tokens on behalf of an organization
 * @param signer Signer to sign the message
 * @param organization Organization address
 * @param recipient Recipient address
 * @param amount Amount to spend
 * @param reason Reason for spending
 * @returns Signature that can be used with spendWithSignature
 */
async function createSpendSignature(signer, organization, recipient, amount, reason) {
    // Create message hash (matches the one in TokenDispenser.sol)
    const messageHash = ethers_1.ethers.keccak256(ethers_1.ethers.AbiCoder.defaultAbiCoder().encode(['address', 'address', 'uint256', 'string'], [organization, recipient, amount, reason]));
    // Create Ethereum signed message
    const signature = await signer.signMessage(ethers_1.ethers.getBytes(messageHash));
    return signature;
}
/**
 * Create a signature for point redemption
 * @param signer Signer to sign the message
 * @param user User address
 * @param points Number of points
 * @param collectibleType Type of collectible
 * @returns Signature that can be used with redeemPoints
 */
async function createPointRedemptionSignature(signer, user, points, collectibleType) {
    // Create message hash (matches the one in CommunityPoints.sol)
    const messageHash = ethers_1.ethers.keccak256(ethers_1.ethers.AbiCoder.defaultAbiCoder().encode(['address', 'uint256', 'uint256'], [user, points, collectibleType]));
    // Create Ethereum signed message
    const signature = await signer.signMessage(ethers_1.ethers.getBytes(messageHash));
    return signature;
}
/**
 * Verify a signature for spending tokens
 * @param signature Signature to verify
 * @param organization Organization address
 * @param recipient Recipient address
 * @param amount Amount to spend
 * @param reason Reason for spending
 * @returns Address of the signer
 */
function verifySpendSignature(signature, organization, recipient, amount, reason) {
    // Create message hash (matches the one in TokenDispenser.sol)
    const messageHash = ethers_1.ethers.keccak256(ethers_1.ethers.AbiCoder.defaultAbiCoder().encode(['address', 'address', 'uint256', 'string'], [organization, recipient, amount, reason]));
    // Recover signer
    const signer = ethers_1.ethers.verifyMessage(ethers_1.ethers.getBytes(messageHash), signature);
    return signer;
}
/**
 * Verify a signature for point redemption
 * @param signature Signature to verify
 * @param user User address
 * @param points Number of points
 * @param collectibleType Type of collectible
 * @returns Address of the signer
 */
function verifyPointRedemptionSignature(signature, user, points, collectibleType) {
    // Create message hash (matches the one in CommunityPoints.sol)
    const messageHash = ethers_1.ethers.keccak256(ethers_1.ethers.AbiCoder.defaultAbiCoder().encode(['address', 'uint256', 'uint256'], [user, points, collectibleType]));
    // Recover signer
    const signer = ethers_1.ethers.verifyMessage(ethers_1.ethers.getBytes(messageHash), signature);
    return signer;
}