1 files changed, 11 insertions, 0 deletions
diff --git a/packages/contract-wrappers/src/utils/constants.ts b/packages/contract-wrappers/src/utils/constants.ts
new file mode 100644
index 000000000..07da6745d
--- /dev/null
+++ b/packages/contract-wrappers/src/utils/constants.ts
@@ -0,0 +1,11 @@
+import { BigNumber } from '@0xproject/utils';
+
+export const constants = {
+    NULL_ADDRESS: '0x0000000000000000000000000000000000000000',
+    TESTRPC_NETWORK_ID: 50,
+    INVALID_JUMP_PATTERN: 'invalid JUMP at',
+    OUT_OF_GAS_PATTERN: 'out of gas',
+    INVALID_TAKER_FORMAT: 'instance.taker is not of a type(s) string',
+    UNLIMITED_ALLOWANCE_IN_BASE_UNITS: new BigNumber(2).pow(256).minus(1),
+    DEFAULT_BLOCK_POLLING_INTERVAL: 1000,
+};