|
| 1 | +package main |
| 2 | + |
| 3 | +import ( |
| 4 | + "bytes" |
| 5 | + "fmt" |
| 6 | + "io/ioutil" |
| 7 | + "os" |
| 8 | + "path/filepath" |
| 9 | + "text/template" |
| 10 | + |
| 11 | + "golang.org/x/xerrors" |
| 12 | +) |
| 13 | + |
| 14 | +var latestVersion = 5 |
| 15 | + |
| 16 | +var versions = []int{0, 2, 3, 4, latestVersion} |
| 17 | + |
| 18 | +var versionImports = map[int]string{ |
| 19 | + 0: "/", |
| 20 | + 2: "/v2/", |
| 21 | + 3: "/v3/", |
| 22 | + 4: "/v4/", |
| 23 | + latestVersion: "/v5/", |
| 24 | +} |
| 25 | + |
| 26 | +var actors = map[string][]int{ |
| 27 | + "account": versions, |
| 28 | + "cron": versions, |
| 29 | + "init": versions, |
| 30 | + "market": versions, |
| 31 | + "miner": versions, |
| 32 | + "multisig": versions, |
| 33 | + "paych": versions, |
| 34 | + "power": versions, |
| 35 | + "reward": versions, |
| 36 | + "verifreg": versions, |
| 37 | +} |
| 38 | + |
| 39 | +func main() { |
| 40 | + if err := generateAdapters(); err != nil { |
| 41 | + fmt.Println(err) |
| 42 | + return |
| 43 | + } |
| 44 | + |
| 45 | + if err := generatePolicy("chain/actors/policy/policy.go"); err != nil { |
| 46 | + fmt.Println(err) |
| 47 | + return |
| 48 | + } |
| 49 | + |
| 50 | + if err := generateBuiltin("chain/actors/builtin/builtin.go"); err != nil { |
| 51 | + fmt.Println(err) |
| 52 | + return |
| 53 | + } |
| 54 | +} |
| 55 | + |
| 56 | +func generateAdapters() error { |
| 57 | + for act, versions := range actors { |
| 58 | + actDir := filepath.Join("chain/actors/builtin", act) |
| 59 | + |
| 60 | + if err := generateState(actDir); err != nil { |
| 61 | + return err |
| 62 | + } |
| 63 | + |
| 64 | + if err := generateMessages(actDir); err != nil { |
| 65 | + return err |
| 66 | + } |
| 67 | + |
| 68 | + { |
| 69 | + af, err := ioutil.ReadFile(filepath.Join(actDir, "actor.go.template")) |
| 70 | + if err != nil { |
| 71 | + return xerrors.Errorf("loading actor template: %w", err) |
| 72 | + } |
| 73 | + |
| 74 | + tpl := template.Must(template.New("").Funcs(template.FuncMap{ |
| 75 | + "import": func(v int) string { return versionImports[v] }, |
| 76 | + }).Parse(string(af))) |
| 77 | + |
| 78 | + var b bytes.Buffer |
| 79 | + |
| 80 | + err = tpl.Execute(&b, map[string]interface{}{ |
| 81 | + "versions": versions, |
| 82 | + "latestVersion": latestVersion, |
| 83 | + }) |
| 84 | + if err != nil { |
| 85 | + return err |
| 86 | + } |
| 87 | + |
| 88 | + if err := ioutil.WriteFile(filepath.Join(actDir, fmt.Sprintf("%s.go", act)), b.Bytes(), 0666); err != nil { |
| 89 | + return err |
| 90 | + } |
| 91 | + } |
| 92 | + } |
| 93 | + |
| 94 | + return nil |
| 95 | +} |
| 96 | + |
| 97 | +func generateState(actDir string) error { |
| 98 | + af, err := ioutil.ReadFile(filepath.Join(actDir, "state.go.template")) |
| 99 | + if err != nil { |
| 100 | + if os.IsNotExist(err) { |
| 101 | + return nil // skip |
| 102 | + } |
| 103 | + |
| 104 | + return xerrors.Errorf("loading state adapter template: %w", err) |
| 105 | + } |
| 106 | + |
| 107 | + for _, version := range versions { |
| 108 | + tpl := template.Must(template.New("").Funcs(template.FuncMap{}).Parse(string(af))) |
| 109 | + |
| 110 | + var b bytes.Buffer |
| 111 | + |
| 112 | + err := tpl.Execute(&b, map[string]interface{}{ |
| 113 | + "v": version, |
| 114 | + "import": versionImports[version], |
| 115 | + }) |
| 116 | + if err != nil { |
| 117 | + return err |
| 118 | + } |
| 119 | + |
| 120 | + if err := ioutil.WriteFile(filepath.Join(actDir, fmt.Sprintf("v%d.go", version)), b.Bytes(), 0666); err != nil { |
| 121 | + return err |
| 122 | + } |
| 123 | + } |
| 124 | + |
| 125 | + return nil |
| 126 | +} |
| 127 | + |
| 128 | +func generateMessages(actDir string) error { |
| 129 | + af, err := ioutil.ReadFile(filepath.Join(actDir, "message.go.template")) |
| 130 | + if err != nil { |
| 131 | + if os.IsNotExist(err) { |
| 132 | + return nil // skip |
| 133 | + } |
| 134 | + |
| 135 | + return xerrors.Errorf("loading message adapter template: %w", err) |
| 136 | + } |
| 137 | + |
| 138 | + for _, version := range versions { |
| 139 | + tpl := template.Must(template.New("").Funcs(template.FuncMap{}).Parse(string(af))) |
| 140 | + |
| 141 | + var b bytes.Buffer |
| 142 | + |
| 143 | + err := tpl.Execute(&b, map[string]interface{}{ |
| 144 | + "v": version, |
| 145 | + "import": versionImports[version], |
| 146 | + }) |
| 147 | + if err != nil { |
| 148 | + return err |
| 149 | + } |
| 150 | + |
| 151 | + if err := ioutil.WriteFile(filepath.Join(actDir, fmt.Sprintf("message%d.go", version)), b.Bytes(), 0666); err != nil { |
| 152 | + return err |
| 153 | + } |
| 154 | + } |
| 155 | + |
| 156 | + return nil |
| 157 | +} |
| 158 | + |
| 159 | +func generatePolicy(policyPath string) error { |
| 160 | + |
| 161 | + pf, err := ioutil.ReadFile(policyPath + ".template") |
| 162 | + if err != nil { |
| 163 | + if os.IsNotExist(err) { |
| 164 | + return nil // skip |
| 165 | + } |
| 166 | + |
| 167 | + return xerrors.Errorf("loading policy template file: %w", err) |
| 168 | + } |
| 169 | + |
| 170 | + tpl := template.Must(template.New("").Funcs(template.FuncMap{ |
| 171 | + "import": func(v int) string { return versionImports[v] }, |
| 172 | + }).Parse(string(pf))) |
| 173 | + var b bytes.Buffer |
| 174 | + |
| 175 | + err = tpl.Execute(&b, map[string]interface{}{ |
| 176 | + "versions": versions, |
| 177 | + "latestVersion": latestVersion, |
| 178 | + }) |
| 179 | + if err != nil { |
| 180 | + return err |
| 181 | + } |
| 182 | + |
| 183 | + if err := ioutil.WriteFile(policyPath, b.Bytes(), 0666); err != nil { |
| 184 | + return err |
| 185 | + } |
| 186 | + |
| 187 | + return nil |
| 188 | +} |
| 189 | + |
| 190 | +func generateBuiltin(builtinPath string) error { |
| 191 | + |
| 192 | + bf, err := ioutil.ReadFile(builtinPath + ".template") |
| 193 | + if err != nil { |
| 194 | + if os.IsNotExist(err) { |
| 195 | + return nil // skip |
| 196 | + } |
| 197 | + |
| 198 | + return xerrors.Errorf("loading builtin template file: %w", err) |
| 199 | + } |
| 200 | + |
| 201 | + tpl := template.Must(template.New("").Funcs(template.FuncMap{ |
| 202 | + "import": func(v int) string { return versionImports[v] }, |
| 203 | + }).Parse(string(bf))) |
| 204 | + var b bytes.Buffer |
| 205 | + |
| 206 | + err = tpl.Execute(&b, map[string]interface{}{ |
| 207 | + "versions": versions, |
| 208 | + "latestVersion": latestVersion, |
| 209 | + }) |
| 210 | + if err != nil { |
| 211 | + return err |
| 212 | + } |
| 213 | + |
| 214 | + if err := ioutil.WriteFile(builtinPath, b.Bytes(), 0666); err != nil { |
| 215 | + return err |
| 216 | + } |
| 217 | + |
| 218 | + return nil |
| 219 | +} |
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