@renproject/ren/utils/inputAndOutputTypes.js

Official Ren JavaScript SDK for bridging crypto assets cross-chain.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.getInputAndOutputTypes = void 0;
const utils_1 = require("@renproject/utils");
/**
 * Detect whether the transaction is a lock-and-mint, burn-and-release or
 * burn-and-mint, and return the selector.
 */
const getInputAndOutputTypes = async ({ asset, fromChain, toChain, }) => {
    const [isLockAssetOnFromChain, isLockAssetOnToChain, isMintAssetOnFromChain, isMintAssetOnToChain,] = await Promise.all([
        fromChain.isLockAsset(asset),
        toChain.isLockAsset(asset),
        (0, utils_1.isContractChain)(fromChain) && fromChain.isMintAsset(asset),
        (0, utils_1.isContractChain)(toChain) && toChain.isMintAsset(asset),
    ]);
    if (isLockAssetOnToChain) {
        // Burn and release
        if (!(0, utils_1.isContractChain)(fromChain)) {
            throw utils_1.ErrorWithCode.updateError(new Error(`Cannot burn from non-contract chain ${fromChain.chain}.`), utils_1.RenJSError.PARAMETER_ERROR);
        }
        if (!isMintAssetOnFromChain) {
            throw utils_1.ErrorWithCode.updateError(new Error(`Asset '${asset}' is not supported on ${fromChain.chain}.`), utils_1.RenJSError.PARAMETER_ERROR);
        }
        return {
            inputType: utils_1.InputType.Burn,
            outputType: utils_1.OutputType.Release,
            selector: `${asset}/from${fromChain.chain}`,
        };
    }
    else if (isLockAssetOnFromChain) {
        // Lock and mint
        if (!(0, utils_1.isContractChain)(toChain)) {
            throw utils_1.ErrorWithCode.updateError(new Error(`Cannot mint to non-contract chain ${toChain.chain}.`), utils_1.RenJSError.PARAMETER_ERROR);
        }
        if (!isMintAssetOnToChain) {
            throw utils_1.ErrorWithCode.updateError(new Error(`Asset '${asset}' is not supported on ${toChain.chain}.`), utils_1.RenJSError.PARAMETER_ERROR);
        }
        return {
            inputType: utils_1.InputType.Lock,
            outputType: utils_1.OutputType.Mint,
            selector: `${asset}/to${toChain.chain}`,
        };
    }
    else {
        // Burn and mint
        if (!(0, utils_1.isContractChain)(toChain)) {
            throw utils_1.ErrorWithCode.updateError(new Error(`Cannot mint to non-contract chain ${toChain.chain}.`), utils_1.RenJSError.PARAMETER_ERROR);
        }
        if (!isMintAssetOnToChain) {
            throw utils_1.ErrorWithCode.updateError(new Error(`Asset '${asset}' is not supported on ${toChain.chain}.`), utils_1.RenJSError.PARAMETER_ERROR);
        }
        if (!(0, utils_1.isContractChain)(fromChain)) {
            throw utils_1.ErrorWithCode.updateError(new Error(`Cannot burn from non-contract chain ${fromChain.chain}.`), utils_1.RenJSError.PARAMETER_ERROR);
        }
        if (!isMintAssetOnFromChain) {
            throw utils_1.ErrorWithCode.updateError(new Error(`Asset '${asset}' is not supported on ${fromChain.chain}.`), utils_1.RenJSError.PARAMETER_ERROR);
        }
        return {
            inputType: utils_1.InputType.Burn,
            outputType: utils_1.OutputType.Mint,
            selector: `${asset}/from${fromChain.chain}_to${toChain.chain}`,
        };
    }
};
exports.getInputAndOutputTypes = getInputAndOutputTypes;
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