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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',
'CONTRACT_NOT_DEPLOYED_ON_NETWORK',
]);
export type ZeroExError = keyof typeof ZeroExError;
/**
* Elliptic Curve signature
*/
export interface ECSignature {
v: number;
r: string;
s: string;
}
export interface ExchangeContract {
isValidSignature: any;
}
export interface TokenContract {
balanceOf: {
call: (address: string) => Promise<BigNumber.BigNumber>;
};
allowance: {
call: (ownerAddress: string, allowedAddress: string) => Promise<BigNumber.BigNumber>;
};
transfer: (to: string, amountInBaseUnits: BigNumber.BigNumber, txOpts: TxOpts) => Promise<boolean>;
approve: (proxyAddress: string, amountInBaseUnits: BigNumber.BigNumber, txOpts: TxOpts) => void;
}
export interface TokenRegistryContract {
getTokenMetaData: {
call: (address: string) => Promise<TokenMetadata>;
};
getTokenAddresses: {
call: () => Promise<string[]>;
};
}
export const SolidityTypes = strEnum([
'address',
'uint256',
]);
export type SolidityTypes = keyof typeof SolidityTypes;
// [address, name, symbol, projectUrl, decimals, ipfsHash, swarmHash]
export type TokenMetadata = [string, string, string, string, BigNumber.BigNumber, string, string];
export interface Token {
name: string;
address: string;
symbol: string;
decimals: number;
url: string;
}
export interface TxOpts {
from: string;
gas?: number;
}
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