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core: implement basic policying support, fix #370

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Implement mempool and consensus block creation policies, almost the same as
SimplePolicy plugin for C# node provides with two caveats:
 * HighPriorityTxType is not configured and hardcoded to ClaimType
 * BlockedAccounts are not supported

Other than that it allows us to run successfuly as testnet CN, previously our
proposals were rejected because we were proposing blocks with oversized
transactions (that are rejected by PoolTx() now).

Mainnet and testnet configuration files are updated accordingly, but privnet
is left as is with no limits.

Configuration is currently attached to the Blockchain and so is the code that
does policying, it may be moved somewhere in the future, but it works for
now.
This commit is contained in:
Roman Khimov 2020-02-18 20:16:38 +03:00
parent 22f5667530
commit eb11e5fb11
8 changed files with 75 additions and 4 deletions
Download patch file Download diff file Expand all files Collapse all files

5
pkg/network/server.go
View file

@ -786,15 +786,14 @@ func (s *Server) verifyAndPoolTX(t *transaction.Transaction) RelayReason {
if t.Type == transaction.MinerType {
return RelayInvalid
}
// TODO: Implement Plugin.CheckPolicy?
//if (!Plugin.CheckPolicy(transaction))
// return RelayResultReason.PolicyFail;
if err := s.chain.PoolTx(t); err != nil {
switch err {
case core.ErrAlreadyExists:
return RelayAlreadyExists
case core.ErrOOM:
return RelayOutOfMemory
case core.ErrPolicy:
return RelayPolicyFail
default:
return RelayInvalid
}