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Updated on September 8, 2021

Pre-deploying contracts in the genesis file

To pre-deploy contracts when starting GoQuorum, specify the contract code in the genesis file.

Contract code in the genesis file

{
  ...
  "alloc": {
    "0x0ffd23af8eebc60b3cfdeed6f814988757237314": {
      "balance": "0x100000000000000000000000000000000000000000000000000",
      "code": "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",
      "storage": {
        "7aa07e0c924147697605046b7c2c32645b7bbfb41e0ac5d0a84ac93cbb759798": "0000000000000000000000000000000000000000000000000000000000000001",
        "cea2b0602db61f92b76ec4402875cc38eedc9fc425cb1b697fc2265d50fc20fb": "0000000000000000000000000000000000000000000000000000000000000001",
      }
    }
  },
  ...
}

The contract code in the genesis file defines the:

  • Address.
  • Balance.
  • Bytecode.
  • Key value pairs for contract storage.
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