629a1c9d06
This commit modifies the way the data paths are handled. Since there will ultimately be more data associated with each network than just the block database, the data path has been modified to be "namespaced" based on the network. This allows all data associated with a specific network to simply use the data path without having to worry about conflicts with data from other networks. In addition, this commit renames the block database to "blocks" plus a suffix which denotes the database type. This prevents issues that would otherwise arise if the user decides to use a different database type and a file/folder with the same name already eixsts but is of the old database type. For most users this won't matter, but it does provide nice properties for testing and development as well since it makes it easy to go back and forth between database types. This commit also includes code to upgrade the old database paths to the new ones so the change is seamless for the user. Finally, bump the version to 0.2.0.
73 lines
2.4 KiB
Go
73 lines
2.4 KiB
Go
// Copyright (c) 2013 Conformal Systems LLC.
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// Use of this source code is governed by an ISC
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// license that can be found in the LICENSE file.
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package main
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import (
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"bytes"
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"fmt"
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"strings"
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)
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// semanticAlphabet
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const semanticAlphabet = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-"
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// These constants define the application version and follow the semantic
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// versioning 2.0.0 spec (http://semver.org/).
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const (
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appMajor uint = 0
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appMinor uint = 2
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appPatch uint = 0
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// appPreRelease MUST only contain characters from semanticAlphabet
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// per the semantic versioning spec.
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appPreRelease = "alpha"
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)
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// appBuild is defined as a variable so it can be overridden during the build
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// process with '-ldflags "-X main.appBuild foo' if needed. It MUST only
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// contain characters from semanticAlphabet per the semantic versioning spec.
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var appBuild string
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// version returns the application version as a properly formed string per the
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// semantic versioning 2.0.0 spec (http://semver.org/).
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func version() string {
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// Start with the major, minor, and path versions.
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version := fmt.Sprintf("%d.%d.%d", appMajor, appMinor, appPatch)
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// Append pre-release version if there is one. The hyphen called for
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// by the semantic versioning spec is automatically appended and should
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// not be contained in the pre-release string. The pre-release version
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// is not appended if it contains invalid characters.
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preRelease := normalizeVerString(appPreRelease)
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if preRelease != "" {
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version = fmt.Sprintf("%s-%s", version, preRelease)
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}
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// Append build metadata if there is any. The plus called for
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// by the semantic versioning spec is automatically appended and should
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// not be contained in the build metadata string. The build metadata
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// string is not appended if it contains invalid characters.
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build := normalizeVerString(appBuild)
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if build != "" {
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version = fmt.Sprintf("%s+%s", version, build)
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}
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return version
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}
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// normalizeVerString returns the passed string stripped of all characters which
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// are not valid according to the semantic versioning guidelines for pre-release
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// version and build metadata strings. In particular they MUST only contain
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// characters in semanticAlphabet.
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func normalizeVerString(str string) string {
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var result bytes.Buffer
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for _, r := range str {
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if strings.ContainsRune(semanticAlphabet, r) {
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result.WriteRune(r)
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}
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}
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return result.String()
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}
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