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feat: enable gas estimation in airnode-examples local flow and E2E test #1836

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merged 7 commits into from
Jul 21, 2023

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@dcroote dcroote commented Jul 16, 2023

Closes #1692
Closes #1833

PR title mostly speaks for itself, with the key phrase being "local flow", see the description in #1833 for why.

I thought it best to solve both of these issues together rather than just hack a solution for the E2E test. The CI logs demonstrate that gas is being estimated (and therefore the contract is deployed) successfully:

[2023-07-16 20:14:03.109] DEBUG Attempting to estimate required gas to fulfill API call for Request:0xf1d0abf72e568ca563162db958e64075158eb416726dc355b28938daa9357c36... Coordinator-ID:a0a50a3cef98f2ae, Chain-ID:31337, Provider:exampleProvider, Endpoint-ID:0xfb87102cdabadf905321521ba0b3cbf74ad09c5d400ac2eccdbef8d6143e78c4, Sponsor-Address:0xf39Fd6e51aad88F6F4ce6aB8827279cffFb92266
[2023-07-16 20:14:03.109] DEBUG Attempting to estimate AirnodeRrp overhead to fulfill API call for Request:0xf1d0abf72e568ca563162db958e64075158eb416726dc355b28938daa9357c36... Coordinator-ID:a0a50a3cef98f2ae, Chain-ID:31337, Provider:exampleProvider, Endpoint-ID:0xfb87102cdabadf905321521ba0b3cbf74ad09c5d400ac2eccdbef8d6143e78c4, Sponsor-Address:0xf39Fd6e51aad88F6F4ce6aB8827279cffFb92266
[2023-07-16 20:14:03.109] DEBUG Attempting to estimate fulfillment call overhead to fulfill API call for Request:0xf1d0abf72e568ca563162db958e64075158eb416726dc355b28938daa9357c36... Coordinator-ID:a0a50a3cef98f2ae, Chain-ID:31337, Provider:exampleProvider, Endpoint-ID:0xfb87102cdabadf905321521ba0b3cbf74ad09c5d400ac2eccdbef8d6143e78c4, Sponsor-Address:0xf39Fd6e51aad88F6F4ce6aB8827279cffFb92266
[2023-07-16 20:14:03.109] INFO Gas limit is set to 92785 (AirnodeRrp: 42043 + Fulfillment Call: 50742) for Request:0xf1d0abf72e568ca563162db958e64075158eb416726dc355b28938daa9357c36. Coordinator-ID:a0a50a3cef98f2ae, Chain-ID:31337, Provider:exampleProvider, Endpoint-ID:0xfb87102cdabadf905321521ba0b3cbf74ad09c5d400ac2eccdbef8d6143e78c4, Sponsor-Address:0xf39Fd6e51aad88F6F4ce6aB8827279cffFb92266
[2023-07-16 20:14:03.109] INFO Submitting API call fulfillment for Request:0xf1d0abf72e568ca563162db958e64075158eb416726dc355b28938daa9357c36... Coordinator-ID:a0a50a3cef98f2ae, Chain-ID:31337, Provider:exampleProvider, Endpoint-ID:0xfb87102cdabadf905321521ba0b3cbf74ad09c5d400ac2eccdbef8d6143e78c4, Sponsor-Address:0xf39Fd6e51aad88F6F4ce6aB8827279cffFb92266

@dcroote dcroote self-assigned this Jul 16, 2023
@dcroote dcroote requested review from amarthadan and bdrhn9 July 16, 2023 20:27
@@ -181,7 +181,7 @@ const createConfig = async (generateExampleFile: boolean): Promise<Config> => ({

const generateConfig = async (generateExampleFile = false) => {
const config = await createConfig(generateExampleFile);
generateConfigFile(__dirname, config, generateExampleFile);
await generateConfigFile(__dirname, config, generateExampleFile);
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I think await here is redundant because after this line function is ending.

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@dcroote dcroote Jul 20, 2023

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Oh, thanks much for this self-explanatory example. It makes me understand the behavior. 🙏🏼

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I like the implementation, it's good idea to incorporate estimating gas feature with airnode-examples.

Just for different perspective, I'd prefer to treat AirnodeRrpV0DryRun contract like we do for AirnodeRrpV0. So:

  • Firstly I'd implement the function similar to getExistingAirnodeRrpV0
  • Then I'd populate deployed AirnodeRrpV0DryRun address to .json file under packages/airnode-examples/deployments as in here by utilizing the function getExistingAirnodeRrpV0DryRun in first step
  • I'd create the function similar to getAirnodeRrpAddress
  • Then, I'll use the function getAirnodeRrpDryRunAddress here to populate chains[*].contracts.AirnodeRrpDryRun

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dcroote commented Jul 21, 2023

@bdrhn9 - I very much appreciate your thoughts and code links, but I'd actually like to do the exact opposite 😅 What I mean is that I implemented the functions you're referring to before we defaulted to the API3 deployed AirnodeRrpV0 contract in Airnode. Now that we have that functionality I'd like to remove and refactor this airnode-examples code to leverage it. However, since we want to release Airnode v0.12, this code is working, and a refactor is not a high priority at the moment, I will merge this and create a separate issue for that.

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