[STABLE-2112]: add example script #5
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examples/index.js
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| const avaxMessageTransmitterContract = new ethers.Contract(AVAX_MESSAGE_TRANSMITTER_CONTRACT_ADDRESS, messageTransmitterAbi, signer); | ||
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| // AVAX destination address | ||
| const mintRecipient = "<YOUR_AVAX_ADDRESS>"; |
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can this be paramaterized?
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You mean as a env variable. I don't think we can do that with html script
examples/index.js
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| // const approveTx = await usdcEthContract.approve(TOKEN_MESSENGER_CONTRACT_ADDRESS, 500000) // 0.5 USDC | ||
| // console.log(`ApproveTx: ${approveTx.hash}`) | ||
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| // Wait for transaction to complete | ||
| // const approveTxReceipt = await provider.waitForTransaction(approveTx.hash) | ||
| // console.log(`ApproveTxReceipt: ${approveTxReceipt}`) |
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Metamask ask before burn tx even if we approve
docs/README.md
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| The script has 5 steps: | ||
| 1. First step approves `ETH_TOKEN_MESSENGER_CONTRACT_ADDRESS` to withrdraw USDC from our eth address. | ||
| ```js | ||
| const approveTx = await usdcEthContract.methods.approve(ETH_TOKEN_MESSENGER_CONTRACT_ADDRESS, amount+1).send({gas: approveTxGas}) |
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Should we also show the usdcEthContract instantiation here in the steps? Or just leave it for the actual script?
And other contract instantiations below
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Why amount + 1?
no reason. As long as the approve amount >= withdraw amount it should be good. I'll remove the +1
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Should we also show the usdcEthContract instantiation here in the steps? Or just leave it for the actual script?
And other contract instantiations below
Just to keep it minimal and not be repetitive, I am just describing the actual function that gets in README. wdyt?
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Yeah I think that's fine. Can you add a note at the top then saying these are snippets and link to the fully functioning code?
docs/README.md
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| The script has 5 steps: | ||
| 1. First step approves `ETH_TOKEN_MESSENGER_CONTRACT_ADDRESS` to withrdraw USDC from our eth address. | ||
| ```js | ||
| const approveTx = await usdcEthContract.methods.approve(ETH_TOKEN_MESSENGER_CONTRACT_ADDRESS, amount+1).send({gas: approveTxGas}) |
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Should we also show the usdcEthContract instantiation here in the steps? Or just leave it for the actual script?
And other contract instantiations below
Summary
Add a example script to get started with CCTP. The script use web3.js transfer USDC from eth testnet address to avax testnet address.