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fix: etherscan per-sec rate limit no longer aborts cycle #1707

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Merged
Flotapponnier merged 1 commit into from
Jul 31, 2026
Merged

fix: etherscan per-sec rate limit no longer aborts cycle #1707

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6 changes: 5 additions & 1 deletion harnesses/explorer-chain-coverage/cmd/script/source_etherscan.go
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Original file line number Diff line number Diff line change
Expand Up @@ -30,7 +30,7 @@ const etherscanBaseDefault = "https://api.etherscan.io"
// new listing never silently moves the number before a human
// classifies it.
var etherscanMainnets = map[int64]bool{
1: true, 56: true, 137: true, 8453: true, 42161: true, 59144: true,
1: true, 56: true, 137: true, 8453: true, 42161: true,
81457: true, 10: true, 43114: true, 199: true, 42220: true, 252: true,
100: true, 5000: true, 4352: true, 1284: true, 1285: true, 204: true,
167000: true, 50: true, 33139: true, 480: true, 146: true, 130: true,
Expand Down Expand Up @@ -192,6 +192,10 @@ func parseEtherscanBlockNoByTime(raw []byte) (bool, error) {
return true, nil
}
lr := strings.ToLower(resp.Result + " " + resp.Message)
if strings.Contains(lr, "max calls per sec") {
// Per-second throttle: transient, skip chain rather than aborting the cycle.
return false, nil
}
if strings.Contains(lr, "rate limit") {
return false, fmt.Errorf("etherscan rate limit: %s", resp.Result)
}
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