refactor(api): remove dead WalletExtension gRPC service and config - #6975
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The four WalletExtension RPCs have returned UNIMPLEMENTED since 2019; the service was only registered on solidity nodes behind node.walletExtensionApi, which config.conf enabled but reference.conf disabled. Remove the service, its now-unreferenced messages (including the TimeMessage/TimePaginatedMessage orphans left by the 2018 RPC removal), the config key, and the dead client/test helpers. Log a removal warning when the old key is still present in operator configs.
bladehan1
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Sep 18, 2026
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What does this PR do?
close #6931.
Removes the dead
WalletExtensiongRPC service and everything reachable only from it:api.proto:service WalletExtension(GetTransactionsFromThis/2,GetTransactionsToThis/2), plus messagesAccountPaginated,TransactionList,TransactionListExtention(referenced only by these four RPCs) andTimeMessage/TimePaginatedMessage(request types of the WalletExtension*ByTimestampRPCs deleted in 2018, orphaned ever since)RpcApiService: the registration branch and the emptyWalletExtensionApiinner classnode.walletExtensionApiconfig item:CommonParameter/NodeConfigfields, theArgsbinding, and the key inreference.conf/config.conf/config-shield.conf. Following the retirement convention fornode.*keys,NodeConfig.fromConfignow logs a removal warning when the old key is still present in an operator configUtil.printTransactionList(sole caller was its own mock test), the WalletExtension stub and wrappers in test utilitiesGrpcClient/WalletClient,HttpMethed.getTransactions{From,To}ThisFromSolidity(targets/walletextension/*HTTP paths that have no servlet), and commented-outgetTransactionsByTimestamp/getAssetIssueListByTimestampblocksWhy are these changes required?
WalletExtensionhas had no implementation in any release since v3.7 (2020-03):RpcApiService$WalletExtensionApioverrides none of the four RPCs, so every call falls through to the generatedImplBasedefault handlers and returnsUNIMPLEMENTED. This makesnode.walletExtensionApibehavior-irrelevant — enabled, a solidity node registers a service with zero implemented methods (advertised via gRPC reflection whennode.rpc.reflectionServiceis on); disabled, callers get the sameUNIMPLEMENTED. Removing it also resolves the default-value inconsistency betweenconfig.conf(true) andreference.conf(false).Six years of unconditional
UNIMPLEMENTEDrules out any functional dependency, so the service is removed directly without a deprecation period, following existing practice for dead interfaces.This PR has been tested by:
Follow up
Ecosystem code that still compiles against the removed stubs/messages needs a sync: the
tronprotocol/protocolmirror, the documentation site, and older wallet-cli/trident versions. Compile-time impact only — runtime behavior is unchanged (UNIMPLEMENTEDbefore and after).Extra details
None.