David Walsh
37 lines
1.1 KiB
TypeScript
37 lines
1.1 KiB
TypeScript
import { AbiEncoder, BigNumber } from '@0x/utils';
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const transformERC20Encoder = AbiEncoder.createMethod('transformERC20', [
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{ type: 'address', name: 'inputToken' },
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{ type: 'address', name: 'outputToken' },
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{ type: 'uint256', name: 'inputTokenAmount' },
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{ type: 'uint256', name: 'minOutputTokenAmount' },
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{
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type: 'tuple[]',
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name: 'transformations',
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components: [
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{ type: 'uint32', name: 'deploymentNonce' },
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{ type: 'bytes', name: 'data' },
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],
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},
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]);
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interface TransformERC20Args {
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inputToken: string;
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outputToken: string;
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inputTokenAmount: BigNumber;
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minOutputTokenAmount: BigNumber;
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transformations: {
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deploymentNonce: BigNumber;
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data: string;
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}[];
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}
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/** Returns decoded `TransformERC20.transformERC20` calldata. */
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export function decodeTransformERC20(calldata: string): TransformERC20Args {
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return transformERC20Encoder.decode(calldata) as TransformERC20Args;
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}
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export function getTransformerNonces(args: TransformERC20Args): number[] {
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return args.transformations.map((t) => t.deploymentNonce.toNumber());
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}
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