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OpenGradient Token (OPG)

An ERC20 token implementation built with OpenZeppelin contracts and Foundry.

Features

  • ERC20 Standard: Full ERC20 compliance for transfers, approvals, and allowances
  • ERC20Permit: Gasless approvals via EIP-2612 signatures
  • Fixed Supply: 1 billion tokens minted at deployment
  • Immutable: No admin functions

Contract Details

Property Value
Name OpenGradient
Symbol OPG
Decimals 18
Total Supply 1,000,000,000 OPG

Contract Instances

Chain Address
Base Sepolia 0x240b09731D96979f50B2C649C9CE10FcF9C7987F

Installation

git clone <repository-url>
cd opg
forge install

Usage

Build

forge build

Test

forge test

Format

forge fmt

Deployment

Set environment variables and run the deployment script:

export TREASURY_ADDRESS=0x...

forge script script/Deploy.s.sol:DeployScript \
  --rpc-url <RPC_URL> \
  --private-key <PRIVATE_KEY> \
  --broadcast

For local testing with Anvil:

anvil
# In another terminal:
export TREASURY_ADDRESS=0xf39Fd6e51aad88F6F4ce6aB8827279cffFb92266

forge script script/Deploy.s.sol:DeployScript \
  --rpc-url http://localhost:8545 \
  --private-key 0xac0974bec39a17e36ba4a6b4d238ff944bacb478cbed5efcae784d7bf4f2ff80 \
  --broadcast