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import * as _ from 'lodash';
// Utility function to create a K:V from a list of strings
// Adapted from: https://basarat.gitbooks.io/typescript/content/docs/types/literal-types.html
function strEnum(values: string[]): {[key: string]: string} {
return _.reduce(values, (result, key) => {
result[key] = key;
return result;
}, Object.create(null));
}
export const ZeroExError = strEnum([
'CONTRACT_DOES_NOT_EXIST',
'UNHANDLED_ERROR',
'USER_HAS_NO_ASSOCIATED_ADDRESSES',
'INVALID_SIGNATURE',
]);
export type ZeroExError = keyof typeof ZeroExError;
/**
* Elliptic Curve signature
*/
export interface ECSignature {
v: number;
r: string;
s: string;
}
export type OrderAddresses = [string, string, string, string, string];
export type OrderValues = [
BigNumber.BigNumber, BigNumber.BigNumber, BigNumber.BigNumber,
BigNumber.BigNumber, BigNumber.BigNumber, BigNumber.BigNumber
];
export interface TxData {
from: string;
}
export interface ExchangeContract {
isValidSignature: any;
fill: (
orderAddresses: OrderAddresses, orderValues: OrderValues, fillAmount: BigNumber.BigNumber,
shouldCheckTransfer: boolean, v: number, r: string, s: string, txData: TxData,
) => ContractResponse;
}
export const SolidityTypes = strEnum([
'address',
'uint256',
]);
export type SolidityTypes = keyof typeof SolidityTypes;
export enum ExchangeContractErrs {
ERROR_FILL_EXPIRED, // Order has already expired
ERROR_FILL_NO_VALUE, // Order has already been fully filled or cancelled
ERROR_FILL_TRUNCATION, // Rounding error too large
ERROR_FILL_BALANCE_ALLOWANCE, // Insufficient balance or allowance for token transfer
ERROR_CANCEL_EXPIRED, // Order has already expired
ERROR_CANCEL_NO_VALUE, // Order has already been fully filled or cancelled
};
export interface ContractResponse {
logs: ContractEvent[];
}
export interface ContractEvent {
event: string;
args: any;
}
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