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rpcclient: handle backend versioning in one file
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yyforyongyu
parent
a033b0d6e7
commit
0d52a890f2
106
rpcclient/backend_version.go
Normal file
106
rpcclient/backend_version.go
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@ -0,0 +1,106 @@
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package rpcclient
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import "strings"
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// BackendVersion represents the version of the backend the client is currently
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// connected to.
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type BackendVersion uint8
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const (
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// BitcoindPre19 represents a bitcoind version before 0.19.0.
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BitcoindPre19 BackendVersion = iota
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// BitcoindPre22 represents a bitcoind version equal to or greater than
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// 0.19.0 and smaller than 22.0.0.
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BitcoindPre22
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// BitcoindPre24 represents a bitcoind version equal to or greater than
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// 22.0.0 and smaller than 24.0.0.
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BitcoindPre24
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// BitcoindPre25 represents a bitcoind version equal to or greater than
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// 24.0.0 and smaller than 25.0.0.
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BitcoindPre25
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// BitcoindPre25 represents a bitcoind version equal to or greater than
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// 25.0.0.
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BitcoindPost25
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// Btcd represents a catch-all btcd version.
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Btcd
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)
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// String returns a human-readable backend version.
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func (b BackendVersion) String() string {
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switch b {
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case BitcoindPre19:
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return "bitcoind 0.19 and below"
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case BitcoindPre22:
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return "bitcoind v0.19.0-v22.0.0"
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case BitcoindPre24:
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return "bitcoind v22.0.0-v24.0.0"
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case BitcoindPre25:
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return "bitcoind v24.0.0-v25.0.0"
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case BitcoindPost25:
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return "bitcoind v25.0.0 and above"
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case Btcd:
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return "btcd"
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default:
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return "unknown"
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}
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}
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const (
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// bitcoind19Str is the string representation of bitcoind v0.19.0.
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bitcoind19Str = "0.19.0"
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// bitcoind22Str is the string representation of bitcoind v22.0.0.
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bitcoind22Str = "22.0.0"
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// bitcoind24Str is the string representation of bitcoind v24.0.0.
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bitcoind24Str = "24.0.0"
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// bitcoind25Str is the string representation of bitcoind v25.0.0.
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bitcoind25Str = "25.0.0"
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// bitcoindVersionPrefix specifies the prefix included in every bitcoind
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// version exposed through GetNetworkInfo.
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bitcoindVersionPrefix = "/Satoshi:"
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// bitcoindVersionSuffix specifies the suffix included in every bitcoind
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// version exposed through GetNetworkInfo.
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bitcoindVersionSuffix = "/"
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)
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// parseBitcoindVersion parses the bitcoind version from its string
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// representation.
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func parseBitcoindVersion(version string) BackendVersion {
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// Trim the version of its prefix and suffix to determine the
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// appropriate version number.
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version = strings.TrimPrefix(
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strings.TrimSuffix(version, bitcoindVersionSuffix),
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bitcoindVersionPrefix,
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)
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switch {
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case version < bitcoind19Str:
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return BitcoindPre19
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case version < bitcoind22Str:
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return BitcoindPre22
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case version < bitcoind24Str:
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return BitcoindPre24
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case version < bitcoind25Str:
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return BitcoindPre25
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default:
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return BitcoindPost25
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}
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}
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@ -20,7 +20,6 @@ import (
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"net/http"
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"net/url"
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"os"
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"strings"
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"sync"
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"sync/atomic"
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"time"
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@ -102,60 +101,6 @@ type jsonRequest struct {
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responseChan chan *Response
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}
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// BackendVersion represents the version of the backend the client is currently
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// connected to.
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type BackendVersion uint8
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const (
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// BitcoindPre19 represents a bitcoind version before 0.19.0.
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BitcoindPre19 BackendVersion = iota
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// BitcoindPre22 represents a bitcoind version equal to or greater than
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// 0.19.0 and smaller than 22.0.0.
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BitcoindPre22
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// BitcoindPre24 represents a bitcoind version equal to or greater than
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// 22.0.0 and smaller than 24.0.0.
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BitcoindPre24
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// BitcoindPre25 represents a bitcoind version equal to or greater than
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// 24.0.0 and smaller than 25.0.0.
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BitcoindPre25
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// BitcoindPre25 represents a bitcoind version equal to or greater than
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// 25.0.0.
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BitcoindPost25
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// Btcd represents a catch-all btcd version.
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Btcd
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)
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// String returns a human-readable backend version.
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func (b BackendVersion) String() string {
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switch b {
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case BitcoindPre19:
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return "bitcoind 0.19 and below"
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case BitcoindPre22:
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return "bitcoind v0.19.0-v22.0.0"
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case BitcoindPre24:
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return "bitcoind v22.0.0-v24.0.0"
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case BitcoindPre25:
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return "bitcoind v24.0.0-v25.0.0"
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case BitcoindPost25:
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return "bitcoind v25.0.0 and above"
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case Btcd:
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return "btcd"
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default:
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return "unknown"
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}
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}
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// Client represents a Bitcoin RPC client which allows easy access to the
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// various RPC methods available on a Bitcoin RPC server. Each of the wrapper
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// functions handle the details of converting the passed and return types to and
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@ -1625,55 +1570,6 @@ func (c *Client) Connect(tries int) error {
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return err
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}
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const (
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// bitcoind19Str is the string representation of bitcoind v0.19.0.
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bitcoind19Str = "0.19.0"
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// bitcoind22Str is the string representation of bitcoind v22.0.0.
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bitcoind22Str = "22.0.0"
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// bitcoind24Str is the string representation of bitcoind v24.0.0.
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bitcoind24Str = "24.0.0"
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// bitcoind25Str is the string representation of bitcoind v25.0.0.
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bitcoind25Str = "25.0.0"
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// bitcoindVersionPrefix specifies the prefix included in every bitcoind
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// version exposed through GetNetworkInfo.
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bitcoindVersionPrefix = "/Satoshi:"
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// bitcoindVersionSuffix specifies the suffix included in every bitcoind
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// version exposed through GetNetworkInfo.
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bitcoindVersionSuffix = "/"
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)
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// parseBitcoindVersion parses the bitcoind version from its string
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// representation.
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func parseBitcoindVersion(version string) BackendVersion {
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// Trim the version of its prefix and suffix to determine the
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// appropriate version number.
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version = strings.TrimPrefix(
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strings.TrimSuffix(version, bitcoindVersionSuffix),
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bitcoindVersionPrefix,
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)
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switch {
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case version < bitcoind19Str:
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return BitcoindPre19
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case version < bitcoind22Str:
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return BitcoindPre22
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case version < bitcoind24Str:
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return BitcoindPre24
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case version < bitcoind25Str:
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return BitcoindPre25
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default:
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return BitcoindPost25
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}
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}
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// BackendVersion retrieves the version of the backend the client is currently
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// connected to.
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func (c *Client) BackendVersion() (BackendVersion, error) {
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