Awesome

Ethereum CREATE2

EIP 1014: Skinny CREATE2 usage example.

see:

• factory contract source code
• factory contract tests

Installation

$ git clone git@github.com:stanislaw-glogowski/create2.git
$ cd ./create2
$ npm i

Configuration

Setup local env variables (optional)

Default variables:

export TEST_MNEMONIC="eight spell unique say nurse angle property stadium task donkey blast honey"
export TEST_ENDPOINT="http://localhost:8545"

Setup parity ethereum client

Download and install parity using links below:

• https://www.parity.io/ethereum/#download
• https://github.com/paritytech/parity-ethereum/releases/tag/v2.1.4

Create new chain configuration chain.json then add first address from TEST_MNEMONIC to accounts section.

Example using address from default TEST_MNEMONIC:

{
    "name": "Constantinople (development)",
    "engine": {
        "instantSeal": null
    },
    "params": {
        "homesteadTransition": "0x0",
        "gasLimitBoundDivisor": "0x0400",
        "accountStartNonce": "0x0",
        "maximumExtraDataSize": "0x20",
        "minGasLimit": "0x1388",
        "networkID" : "0x11",
        "registrar" : "0x0000000000000000000000000000000000001337",
        "eip98Transition": "0xffffffffffffffff",
        "eip100bTransition": "0x0",
        "eip150Transition": "0x0",
        "eip160Transition": "0x0",
        "eip161abcTransition": "0x0",
        "eip161dTransition": "0x0",
        "eip140Transition": "0x0",
        "eip211Transition": "0x0",
        "eip214Transition": "0x0",
        "eip155Transition": "0x0",
        "eip658Transition": "0x0",
        "eip145Transition": "0x0",
        "eip1014Transition": "0x0",
        "eip1052Transition": "0x0",
        "eip1283Transition": "0x0",
        "maxCodeSize": 24576,
        "maxCodeSizeTransition": "0x0",
        "wasmActivationTransition": "0x0"
    },
    "genesis": {
        "seal": {
            "generic": "0x0"
        },
        "difficulty": "0x20000",
        "author": "0x0000000000000000000000000000000000000000",
        "timestamp": "0x00",
        "parentHash": "0x0000000000000000000000000000000000000000000000000000000000000000",
        "extraData": "0x",
        "gasLimit": "0x7A1200"
    },
    "accounts": {
        "0000000000000000000000000000000000000001": { "balance": "1", "builtin": { "name": "ecrecover", "pricing": { "linear": { "base": 3000, "word": 0 } } } },
        "0000000000000000000000000000000000000002": { "balance": "1", "builtin": { "name": "sha256", "pricing": { "linear": { "base": 60, "word": 12 } } } },
        "0000000000000000000000000000000000000003": { "balance": "1", "builtin": { "name": "ripemd160", "pricing": { "linear": { "base": 600, "word": 120 } } } },
        "0000000000000000000000000000000000000004": { "balance": "1", "builtin": { "name": "identity", "pricing": { "linear": { "base": 15, "word": 3 } } } },
        "0000000000000000000000000000000000000005": { "balance": "1", "builtin": { "name": "modexp", "activate_at": 0, "pricing": { "modexp": { "divisor": 20 } } } },
        "0000000000000000000000000000000000000006": { "balance": "1", "builtin": { "name": "alt_bn128_add", "activate_at": 0, "pricing": { "linear": { "base": 500, "word": 0 } } } },
        "0000000000000000000000000000000000000007": { "balance": "1", "builtin": { "name": "alt_bn128_mul", "activate_at": 0, "pricing": { "linear": { "base": 40000, "word": 0 } } } },
        "0000000000000000000000000000000000000008": { "balance": "1", "builtin": { "name": "alt_bn128_pairing", "activate_at": 0, "pricing": { "alt_bn128_pairing": { "base": 100000, "pair": 80000 } } } },
        "0000000000000000000000000000000000001337": { "balance": "1", "constructor": 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},
        "3f5206e8bc99b6fd2913cd2b1667dd7a7cdd5d69": { "balance": "1606938044258990275541962092341162602522202993782792835301376" },
        "1d9c0452596ffbbda29ad56d0f2d3a916aaa5fb1": { "balance": "1606938044258990275541962092341162602522202993782792835301376" },
        "5042240496ae0e1d9e37fff3be407b88bd6c1566": { "balance": "1606938044258990275541962092341162602522202993782792835301376" }
    }
}

Start client:

$ parity -c dev-insecure --chain ./chain.json --jsonrpc-cors=all

Running tests

$ npm test