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Diffstat (limited to 'test/utils/token_utils.ts')
-rw-r--r-- | test/utils/token_utils.ts | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/test/utils/token_utils.ts b/test/utils/token_utils.ts new file mode 100644 index 000000000..14788b299 --- /dev/null +++ b/test/utils/token_utils.ts @@ -0,0 +1,24 @@ +import * as _ from 'lodash'; +import {Token, ZeroExError} from '../../src/types'; + +const PROTOCOL_TOKEN_SYMBOL = 'ZRX'; + +export class TokenUtils { + private tokens: Token[]; + constructor(tokens: Token[]) { + this.tokens = tokens; + } + public getProtocolTokenOrThrow(): Token { + const zrxToken = _.find(this.tokens, {symbol: PROTOCOL_TOKEN_SYMBOL}); + if (_.isUndefined(zrxToken)) { + throw new Error(ZeroExError.ZRX_NOT_IN_TOKEN_REGISTRY); + } + return zrxToken; + } + public getNonProtocolTokens(): Token[] { + const nonProtocolTokens = _.filter(this.tokens, token => { + return token.symbol !== PROTOCOL_TOKEN_SYMBOL; + }); + return nonProtocolTokens; + } +} |