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Merge bitcoin/bitcoin#24187: Followups for getdeploymentinfo

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e5f0356e3f rpc/blockchain: rename getdeploymentinfo tip/active_chain_tip to blockindex (Anthony Towns)
fbab43f169 rpc/blockchain: a constant craving (Anthony Towns)
5179656ef8 trivial: comment tweaks (Anthony Towns)
32f04e6da9 rpc documentation improvements (Anthony Towns)
555eafa793 doc: getdeploymentinfo release notes tweaks (Anthony Towns)

Pull request description:

  Documentation, comments and trivial code changes to followup #23508.

ACKs for top commit:
  Sjors:
    utACK e5f0356e3f

Tree-SHA512: 4e854a8453588901edb887504f7bfa100cc32df2e99654a5e5970032a0bd63259ba0582479e15bc09ef4792c6672715007f89eb1a7b2d7e229433a678cde9f44
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MarcoFalke 2022-02-14 11:17:54 +01:00
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4 changed files with 43 additions and 43 deletions
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9
doc/release-notes-23508.md
View file

@ -1,9 +0,0 @@
Updated RPCs
------------
- Information on soft fork status has been moved from `getblockchaininfo`
to `getdeploymentinfo` which allows querying soft fork status at any
block, rather than just at the chain tip. Inclusion of soft fork
status in `getblockchaininfo` can currently be restored using the
configuration `-deprecatedrpc=softforks`, but this will be removed in
a future release. (#23508)

9
doc/release-notes.md
View file

@ -115,6 +115,15 @@ Updated RPCs
New RPCs
--------
- Information on soft fork status has been moved from `getblockchaininfo`
to the new `getdeploymentinfo` RPC which allows querying soft fork status at any
block, rather than just at the chain tip. Inclusion of soft fork
status in `getblockchaininfo` can currently be restored using the
configuration `-deprecatedrpc=softforks`, but this will be removed in
a future release. Note that in either case, the `status` field
now reflects the status of the current block rather than the next
block. (#23508)
Build System
------------

66
src/rpc/blockchain.cpp
View file

@ -1430,7 +1430,7 @@ static RPCHelpMan verifychain()
};
}
static void SoftForkDescPushBack(const CBlockIndex* active_chain_tip, UniValue& softforks, const Consensus::Params& params, Consensus::BuriedDeployment dep)
static void SoftForkDescPushBack(const CBlockIndex* blockindex, UniValue& softforks, const Consensus::Params& params, Consensus::BuriedDeployment dep)
{
// For buried deployments.
@ -1440,17 +1440,17 @@ static void SoftForkDescPushBack(const CBlockIndex* active_chain_tip, UniValue&
rv.pushKV("type", "buried");
// getdeploymentinfo reports the softfork as active from when the chain height is
// one below the activation height
rv.pushKV("active", DeploymentActiveAfter(active_chain_tip, params, dep));
rv.pushKV("active", DeploymentActiveAfter(blockindex, params, dep));
rv.pushKV("height", params.DeploymentHeight(dep));
softforks.pushKV(DeploymentName(dep), rv);
}
static void SoftForkDescPushBack(const CBlockIndex* active_chain_tip, UniValue& softforks, const Consensus::Params& consensusParams, Consensus::DeploymentPos id)
static void SoftForkDescPushBack(const CBlockIndex* blockindex, UniValue& softforks, const Consensus::Params& consensusParams, Consensus::DeploymentPos id)
{
// For BIP9 deployments.
if (!DeploymentEnabled(consensusParams, id)) return;
if (active_chain_tip == nullptr) return;
if (blockindex == nullptr) return;
auto get_state_name = [](const ThresholdState state) -> std::string {
switch (state) {
@ -1465,8 +1465,8 @@ static void SoftForkDescPushBack(const CBlockIndex* active_chain_tip, UniValue&
UniValue bip9(UniValue::VOBJ);
const ThresholdState next_state = g_versionbitscache.State(active_chain_tip, consensusParams, id);
const ThresholdState current_state = g_versionbitscache.State(active_chain_tip->pprev, consensusParams, id);
const ThresholdState next_state = g_versionbitscache.State(blockindex, consensusParams, id);
const ThresholdState current_state = g_versionbitscache.State(blockindex->pprev, consensusParams, id);
const bool has_signal = (ThresholdState::STARTED == current_state || ThresholdState::LOCKED_IN == current_state);
@ -1480,14 +1480,14 @@ static void SoftForkDescPushBack(const CBlockIndex* active_chain_tip, UniValue&
// BIP9 status
bip9.pushKV("status", get_state_name(current_state));
bip9.pushKV("since", g_versionbitscache.StateSinceHeight(active_chain_tip->pprev, consensusParams, id));
bip9.pushKV("since", g_versionbitscache.StateSinceHeight(blockindex->pprev, consensusParams, id));
bip9.pushKV("status-next", get_state_name(next_state));
// BIP9 signalling status, if applicable
if (has_signal) {
UniValue statsUV(UniValue::VOBJ);
std::vector<bool> signals;
BIP9Stats statsStruct = g_versionbitscache.Statistics(active_chain_tip, consensusParams, id, &signals);
BIP9Stats statsStruct = g_versionbitscache.Statistics(blockindex, consensusParams, id, &signals);
statsUV.pushKV("period", statsStruct.period);
statsUV.pushKV("elapsed", statsStruct.elapsed);
statsUV.pushKV("count", statsStruct.count);
@ -1508,7 +1508,7 @@ static void SoftForkDescPushBack(const CBlockIndex* active_chain_tip, UniValue&
UniValue rv(UniValue::VOBJ);
rv.pushKV("type", "bip9");
if (ThresholdState::ACTIVE == next_state) {
rv.pushKV("height", g_versionbitscache.StateSinceHeight(active_chain_tip, consensusParams, id));
rv.pushKV("height", g_versionbitscache.StateSinceHeight(blockindex, consensusParams, id));
}
rv.pushKV("active", ThresholdState::ACTIVE == next_state);
rv.pushKV("bip9", bip9);
@ -1517,7 +1517,7 @@ static void SoftForkDescPushBack(const CBlockIndex* active_chain_tip, UniValue&
}
namespace {
/* TODO: when -dprecatedrpc=softforks is removed, drop these */
/* TODO: when -deprecatedrpc=softforks is removed, drop these */
UniValue DeploymentInfo(const CBlockIndex* tip, const Consensus::Params& consensusParams);
extern const std::vector<RPCResult> RPCHelpForDeployment;
}
@ -1621,9 +1621,9 @@ const std::vector<RPCResult> RPCHelpForDeployment{
{RPCResult::Type::NUM_TIME, "start_time", "the minimum median time past of a block at which the bit gains its meaning"},
{RPCResult::Type::NUM_TIME, "timeout", "the median time past of a block at which the deployment is considered failed if not yet locked in"},
{RPCResult::Type::NUM, "min_activation_height", "minimum height of blocks for which the rules may be enforced"},
{RPCResult::Type::STR, "status", "bip9 status of specified block (one of \"defined\", \"started\", \"locked_in\", \"active\", \"failed\")"},
{RPCResult::Type::STR, "status", "status of deployment at specified block (one of \"defined\", \"started\", \"locked_in\", \"active\", \"failed\")"},
{RPCResult::Type::NUM, "since", "height of the first block to which the status applies"},
{RPCResult::Type::STR, "status-next", "bip9 status of next block"},
{RPCResult::Type::STR, "status-next", "status of deployment at the next block"},
{RPCResult::Type::OBJ, "statistics", /*optional=*/true, "numeric statistics about signalling for a softfork (only for \"started\" and \"locked_in\" status)",
{
{RPCResult::Type::NUM, "period", "the length in blocks of the signalling period"},
@ -1636,16 +1636,16 @@ const std::vector<RPCResult> RPCHelpForDeployment{
}},
};
UniValue DeploymentInfo(const CBlockIndex* tip, const Consensus::Params& consensusParams)
UniValue DeploymentInfo(const CBlockIndex* blockindex, const Consensus::Params& consensusParams)
{
UniValue softforks(UniValue::VOBJ);
SoftForkDescPushBack(tip, softforks, consensusParams, Consensus::DEPLOYMENT_HEIGHTINCB);
SoftForkDescPushBack(tip, softforks, consensusParams, Consensus::DEPLOYMENT_DERSIG);
SoftForkDescPushBack(tip, softforks, consensusParams, Consensus::DEPLOYMENT_CLTV);
SoftForkDescPushBack(tip, softforks, consensusParams, Consensus::DEPLOYMENT_CSV);
SoftForkDescPushBack(tip, softforks, consensusParams, Consensus::DEPLOYMENT_SEGWIT);
SoftForkDescPushBack(tip, softforks, consensusParams, Consensus::DEPLOYMENT_TESTDUMMY);
SoftForkDescPushBack(tip, softforks, consensusParams, Consensus::DEPLOYMENT_TAPROOT);
SoftForkDescPushBack(blockindex, softforks, consensusParams, Consensus::DEPLOYMENT_HEIGHTINCB);
SoftForkDescPushBack(blockindex, softforks, consensusParams, Consensus::DEPLOYMENT_DERSIG);
SoftForkDescPushBack(blockindex, softforks, consensusParams, Consensus::DEPLOYMENT_CLTV);
SoftForkDescPushBack(blockindex, softforks, consensusParams, Consensus::DEPLOYMENT_CSV);
SoftForkDescPushBack(blockindex, softforks, consensusParams, Consensus::DEPLOYMENT_SEGWIT);
SoftForkDescPushBack(blockindex, softforks, consensusParams, Consensus::DEPLOYMENT_TESTDUMMY);
SoftForkDescPushBack(blockindex, softforks, consensusParams, Consensus::DEPLOYMENT_TAPROOT);
return softforks;
}
} // anon namespace
@ -1653,9 +1653,9 @@ UniValue DeploymentInfo(const CBlockIndex* tip, const Consensus::Params& consens
static RPCHelpMan getdeploymentinfo()
{
return RPCHelpMan{"getdeploymentinfo",
"Returns an object containing various state info regarding soft-forks.",
"Returns an object containing various state info regarding deployments of consensus changes.",
{
{"blockhash", RPCArg::Type::STR_HEX, RPCArg::Default{"chain tip"}, "The block hash at which to query fork state"},
{"blockhash", RPCArg::Type::STR_HEX, RPCArg::Default{"hash of current chain tip"}, "The block hash at which to query deployment state"},
},
RPCResult{
RPCResult::Type::OBJ, "", "", {
@ -1669,18 +1669,18 @@ static RPCHelpMan getdeploymentinfo()
RPCExamples{ HelpExampleCli("getdeploymentinfo", "") + HelpExampleRpc("getdeploymentinfo", "") },
[&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
{
ChainstateManager& chainman = EnsureAnyChainman(request.context);
const ChainstateManager& chainman = EnsureAnyChainman(request.context);
LOCK(cs_main);
CChainState& active_chainstate = chainman.ActiveChainstate();
const CChainState& active_chainstate = chainman.ActiveChainstate();
const CBlockIndex* tip;
const CBlockIndex* blockindex;
if (request.params[0].isNull()) {
tip = active_chainstate.m_chain.Tip();
CHECK_NONFATAL(tip);
blockindex = active_chainstate.m_chain.Tip();
CHECK_NONFATAL(blockindex);
} else {
uint256 hash(ParseHashV(request.params[0], "blockhash"));
tip = chainman.m_blockman.LookupBlockIndex(hash);
if (!tip) {
const uint256 hash(ParseHashV(request.params[0], "blockhash"));
blockindex = chainman.m_blockman.LookupBlockIndex(hash);
if (!blockindex) {
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Block not found");
}
}
@ -1688,9 +1688,9 @@ static RPCHelpMan getdeploymentinfo()
const Consensus::Params& consensusParams = Params().GetConsensus();
UniValue deploymentinfo(UniValue::VOBJ);
deploymentinfo.pushKV("hash", tip->GetBlockHash().ToString());
deploymentinfo.pushKV("height", tip->nHeight);
deploymentinfo.pushKV("deployments", DeploymentInfo(tip, consensusParams));
deploymentinfo.pushKV("hash", blockindex->GetBlockHash().ToString());
deploymentinfo.pushKV("height", blockindex->nHeight);
deploymentinfo.pushKV("deployments", DeploymentInfo(blockindex, consensusParams));
return deploymentinfo;
},
};

2
src/versionbits.cpp
View file

@ -107,7 +107,7 @@ BIP9Stats AbstractThresholdConditionChecker::GetStateStatisticsFor(const CBlockI
if (pindex == nullptr) return stats;
// Find beginning of period
// Find how many blocks are in the current period
int blocks_in_period = 1 + (pindex->nHeight % stats.period);
// Reset signalling_blocks