diff options
Diffstat (limited to 'packages/utils/src/abi_encoder/evm_data_types.ts')
-rw-r--r-- | packages/utils/src/abi_encoder/evm_data_types.ts | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/packages/utils/src/abi_encoder/evm_data_types.ts b/packages/utils/src/abi_encoder/evm_data_types.ts index 38878f63e..ff1bc594d 100644 --- a/packages/utils/src/abi_encoder/evm_data_types.ts +++ b/packages/utils/src/abi_encoder/evm_data_types.ts @@ -270,6 +270,10 @@ export class Byte extends PayloadDataType { } public encodeValue(value: string | Buffer): Buffer { + // Sanity check if string + if (typeof value === 'string' && value.startsWith('0x') === false) { + throw new Error(`Tried to encode non-hex value. Value must inlcude '0x' prefix.`); + } // Convert value into a buffer and do bounds checking const valueBuf = ethUtil.toBuffer(value); if (valueBuf.byteLength > this.width) { |