Snippet for supplying DAI to Compound

supply-erc20-via-solidity.js

  // Mint some cDAI by sending DAI to the Compound Protocol
  console.log('MyContract is now minting cDAI...');
  let supplyResult = await myContract.methods.supplyErc20ToCompound(
    daiMainNetAddress,
    compoundCDaiContractAddress,
    web3.utils.toHex(10e18) // 10 DAI to supply
  ).send({
    from: myWalletAddress,
    gasLimit: web3.utils.toHex(5000000),      // posted at compound.finance/developers#gas-costs
    gasPrice: web3.utils.toHex(20000000000), // use ethgasstation.info (mainnet only)
  });
  // console.log('Supplied DAI to Compound via MyContract', JSON.stringify(supplyResult));
  console.log('Supplied DAI to Compound via MyContract');