0g-chain/contracts/README.md

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# Kava EVM contracts
Contracts for the Kava EVM used by the Kava blockchain.
Includes an ERC20 contract for wrapping native cosmos sdk.Coins.
## Setup
```
npm install
```
## Test
```
npm test
```
## Development
```
# Watch contract + tests
npm run dev
# Watch tests only
npm run test-watch
```
## Deploying contracts to test networks
A deploy script is included in this hardhat project to deploy a contract directly to a network.
To deploy the contracts to different networks:
```
npx hardhat run --network <network-name> scripts/deploy.ts
```
Configuration for various `<network-name>`s above are setup in the [hardhat config](./hardhat.config.ts).
## Production compiling & Ethermint JSON
Ethermint uses its own json format that includes the ABI and bytecode in a single file. The bytecode should have no `0x` prefix and should be under the property name `bin`. This structure is built from the compiled code with `npm ethermint-json`.
The following compiles the contract, builds the ethermint json and copies the file to the evmutil:
```
npm build
```