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qtum feerate check

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it seems there is an issue with qtum core rpc that "estimatesmartfee" can return feerate lower than minFeeRate sometimes
This commit is contained in:
CodeFace 2019-06-27 15:10:29 +08:00 committed by Martin
parent 5b2b7ce3d6
commit 4eaeb25a5e
1 changed files with 14 additions and 0 deletions
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14
bchain/coins/qtum/qtumrpc.go
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@ -4,6 +4,7 @@ import (
"blockbook/bchain" "blockbook/bchain"
"blockbook/bchain/coins/btc" "blockbook/bchain/coins/btc"
"encoding/json" "encoding/json"
"math/big"
"github.com/golang/glog" "github.com/golang/glog"
) )
@ -11,6 +12,7 @@ import (
// QtumRPC is an interface to JSON-RPC bitcoind service. // QtumRPC is an interface to JSON-RPC bitcoind service.
type QtumRPC struct { type QtumRPC struct {
*btc.BitcoinRPC *btc.BitcoinRPC
minFeeRate *big.Int // satoshi per kb
} }
// NewQtumRPC returns new QtumRPC instance. // NewQtumRPC returns new QtumRPC instance.
@ -22,6 +24,7 @@ func NewQtumRPC(config json.RawMessage, pushHandler func(bchain.NotificationType
s := &QtumRPC{ s := &QtumRPC{
b.(*btc.BitcoinRPC), b.(*btc.BitcoinRPC),
big.NewInt(400000),
} }
s.RPCMarshaler = btc.JSONMarshalerV1{} s.RPCMarshaler = btc.JSONMarshalerV1{}
s.ChainConfig.SupportsEstimateSmartFee = true s.ChainConfig.SupportsEstimateSmartFee = true
@ -61,3 +64,14 @@ func (b *QtumRPC) Initialize() error {
func (b *QtumRPC) GetTransactionForMempool(txid string) (*bchain.Tx, error) { func (b *QtumRPC) GetTransactionForMempool(txid string) (*bchain.Tx, error) {
return b.GetTransaction(txid) return b.GetTransaction(txid)
} }
// EstimateSmartFee returns fee estimation
func (b *QtumRPC) EstimateSmartFee(blocks int, conservative bool) (big.Int, error) {
feeRate, err := b.BitcoinRPC.EstimateSmartFee(blocks, conservative)
if err != nil {
if b.minFeeRate.Cmp(&feeRate) == 1 {
feeRate = *b.minFeeRate
}
}
return feeRate, err
}