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-rw-r--r--packages/0x.js/src/contract.ts4
1 files changed, 3 insertions, 1 deletions
diff --git a/packages/0x.js/src/contract.ts b/packages/0x.js/src/contract.ts
index 872f18b2a..a4ee03910 100644
--- a/packages/0x.js/src/contract.ts
+++ b/packages/0x.js/src/contract.ts
@@ -5,7 +5,9 @@ import * as Web3 from 'web3';
import {AbiType} from './types';
-const GAS_MARGIN = 300000;
+// HACK: Gas estimates on testrpc don't take into account gas refunds.
+// Our calls can trigger max 8 gas refunds for SSTORE per transaction for 15k gas each which gives 120k.
+const GAS_MARGIN = 120000;
export class Contract implements Web3.ContractInstance {
public address: string;