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add a try-block in case of connection failure to web3 provider

This commit is contained in:
Sergei Tikhomirov 2024-12-13 11:58:34 +01:00
parent 4b60383f39
commit 586dadd94a
2 changed files with 10 additions and 2 deletions
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1
tests/incentivization/test_poc.nim
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@ -73,3 +73,4 @@ suite "Waku Incentivization PoC Eligibility Proofs":
isEligible.isOk()
# TODO: add tests for simple transfer txs with wrong amount and wrong receiver
# TODO: add test for failing Web3 provider

11
waku/incentivization/txid_proof.nim
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@ -16,10 +16,17 @@ proc isEligibleTxId*(
## See spec: https://github.com/waku-org/specs/blob/master/standards/core/incentivization.md
if eligibilityProof.proofOfPayment.isNone():
return err("Eligibility proof is empty")
let txHash = TxHash.fromHex(byteutils.toHex(eligibilityProof.proofOfPayment.get()))
let web3 = await newWeb3(ethClient)
var web3: Web3
try:
web3 = await newWeb3(ethClient)
except ValueError:
let errorMsg =
"Failed to set up a web3 provider connection: " & getCurrentExceptionMsg()
error "exception in isEligibleTxId", error = $errorMsg
return err($errorMsg)
var tx: TransactionObject
var txReceipt: ReceiptObject
let txHash = TxHash.fromHex(byteutils.toHex(eligibilityProof.proofOfPayment.get()))
try:
# TODO: make requests in parallel (?)
tx = await web3.provider.eth_getTransactionByHash(txHash)