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feat: update rpc url for hbarevm #357

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Merged
rohitsaw115 merged 1 commit into from
Jun 2, 2026
Merged

feat: update rpc url for hbarevm #357

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26 changes: 19 additions & 7 deletions hardhat.config.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -715,15 +715,23 @@ const config: HardhatUserConfig = {
]
},
thbarevm: {
url: 'https://testnet.hashio.io/api',
// Hashio relay (0.77.1) rejects contract-creation eth_estimateGas when a
// `from` field is present (returns INSUFFICIENT_TX_FEE), which breaks the
// deploy scripts. Thirdweb's Hedera gateway handles this correctly.
// Keep Hashio/HashScan for contract verification only.
url: 'https://296.rpc.thirdweb.com',
accounts: [
`${PRIVATE_KEY_FOR_V4_CONTRACT_DEPLOYMENT}`,
`${PLACEHOLDER_KEY}`,
`${PRIVATE_KEY_FOR_BATCHER_CONTRACT_DEPLOYMENT}`
]
},
hbarevm: {
url: 'https://mainnet.hashio.io/api',
// Hashio relay (0.77.1) rejects contract-creation eth_estimateGas when a
// `from` field is present (returns INSUFFICIENT_TX_FEE), which breaks the
// deploy scripts. Thirdweb's Hedera gateway handles this correctly.
// Keep Hashio/HashScan for contract verification only.
url: 'https://295.rpc.thirdweb.com',
accounts: [
`${PRIVATE_KEY_FOR_V4_CONTRACT_DEPLOYMENT}`,
`${PLACEHOLDER_KEY}`,
Expand Down Expand Up @@ -2041,14 +2049,18 @@ const config: HardhatUserConfig = {
};

export const sourcifyNetworks = {
// Hedera networks use HashScan Sourcify
// Hedera verification is handled by Sourcify (chainId 295 mainnet / 296 testnet).
// The legacy HashScan hosts (server-verify/repository-verify.hashscan.io) are
// decommissioned and now return HTML 404s, which breaks verification with
// "Unexpected token '<' ... is not valid JSON". Use the official Sourcify server.
// HashScan automatically shows the verified badge once Sourcify has the contract.
[CHAIN_IDS.HBAREVM]: {
apiUrl: 'https://server-verify.hashscan.io',
browserUrl: 'https://repository-verify.hashscan.io'
apiUrl: 'https://sourcify.dev/server',
browserUrl: 'https://repo.sourcify.dev'
},
[CHAIN_IDS.HBAREVM_TESTNET]: {
apiUrl: 'https://server-verify.hashscan.io',
browserUrl: 'https://repository-verify.hashscan.io'
apiUrl: 'https://sourcify.dev/server',
browserUrl: 'https://repo.sourcify.dev'
}
};

Expand Down
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