Add batched EVM transaction walkthrough #983
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| ### Approve ERC721 Transfer | ||
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| Our example `MaybeMintERC721` contract accepts WFLOW in exchange for minting an NFT. However, the contract cannot move |
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Great description of what wrapped Flow is, but why would we need it here instead of just regular, unwrapped Flow?
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It's fine if it's just to demonstrate the complex chain of transactions, but I'd be explicit as to why.
| self.coa.deposit(from: <-fundingVault) | ||
| ``` | ||
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| Taking a look at the full transaction, we can see an explicit check that the COA has enough FLOW to cover the mint cost |
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I didn't have enough Flow and failed before this. Got the error that there wasn't enough in the vault to transfer to.
Tried to repro by switching accounts and even after refreshing, I'm getting: Error
1 error occurred:
* transaction verification failed: [Error Code: 1006] invalid proposal key: public key 0 on account d83e39fd1baa9ac3 does not have a valid signature: [Error Code: 1008] invalid payload signature: public key 0 on account d83e39fd1baa9ac3 does not have a valid signature: signature is not valid
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Looks like that account only has 0.001 FLOW, try again after funding from faucet. The other invalid signer errors may be wallet issues.
Co-authored-by: Brian Doyle <[email protected]>
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Related: onflow/batched-evm-exec-example#7
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