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feat(vtransfer): extract base address from parameterized address
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,46 @@ | ||
| package types | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "net/url" | ||
| "strings" | ||
| ) | ||
|
|
||
| // OptionalAddressScheme is the scheme that can be prefixed on an address. | ||
| const OptionalAddressScheme = "orch" | ||
|
|
||
| // ExtractBaseAddress extracts the base address from a parameterized address. | ||
| func ExtractBaseAddress(addr string) (string, error) { | ||
| rawParsed, err := url.Parse(addr) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
|
|
||
| parsed := url.URL{ | ||
| Scheme: rawParsed.Scheme, | ||
| Opaque: strings.TrimPrefix(rawParsed.Opaque, "/"), | ||
| Path: strings.TrimPrefix(rawParsed.Path, "/"), | ||
| RawPath: strings.TrimPrefix(rawParsed.RawPath, "/"), | ||
| RawQuery: rawParsed.RawQuery, | ||
| Fragment: rawParsed.Fragment, | ||
| RawFragment: rawParsed.RawFragment, | ||
| } | ||
|
|
||
| if *rawParsed != parsed { | ||
| return "", fmt.Errorf("address must be relative path with optional query and fragment, got %s", addr) | ||
| } | ||
|
|
||
| path := parsed.Path | ||
| if parsed.Scheme == OptionalAddressScheme { | ||
| path = parsed.Opaque | ||
| } else if parsed.Scheme != "" { | ||
| return "", fmt.Errorf("address scheme must be empty or %s, got %s", OptionalAddressScheme, parsed.Scheme) | ||
| } | ||
|
|
||
| baseAddr, _, _ := strings.Cut(path, "/") | ||
| if baseAddr == "" { | ||
| return "", fmt.Errorf("base address cannot be empty") | ||
| } | ||
|
|
||
| return baseAddr, nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,73 @@ | ||
| package types_test | ||
|
|
||
| import ( | ||
| "testing" | ||
|
|
||
| "github.com/stretchr/testify/require" | ||
|
|
||
| "github.com/Agoric/agoric-sdk/golang/cosmos/x/vtransfer/types" | ||
| ) | ||
|
|
||
| func TestExtractBaseAddress(t *testing.T) { | ||
| bases := []struct { | ||
| name string | ||
| addr string | ||
| }{ | ||
| {"agoric address", "agoric1abcdefghiteaneas"}, | ||
| {"cosmos address", "cosmos1abcdeffiharceuht"}, | ||
| {"hex address", "0xabcdef198189818c93839ibia"}, | ||
| } | ||
|
|
||
| prefixes := []struct { | ||
| prefix string | ||
| baseIsWrong bool | ||
| isErr bool | ||
| }{ | ||
| {"", false, false}, | ||
| {"/", false, true}, | ||
| {"orch:/", false, true}, | ||
| {"unexpected", true, false}, | ||
| {"norch:/", false, true}, | ||
| {"orch:", false, false}, | ||
| {"norch:", false, true}, | ||
| {"\x01", false, true}, | ||
| } | ||
|
|
||
| suffixes := []struct { | ||
| suffix string | ||
| baseIsWrong bool | ||
| isErr bool | ||
| }{ | ||
| {"", false, false}, | ||
| {"/", false, false}, | ||
| {"/sub/account", false, false}, | ||
| {"?query=something&k=v&k2=v2", false, false}, | ||
| {"?query=something&k=v&k2=v2#fragment", false, false}, | ||
| {"unexpected", true, false}, | ||
| {"\x01", false, true}, | ||
| } | ||
|
|
||
| for _, b := range bases { | ||
| b := b | ||
| for _, p := range prefixes { | ||
| p := p | ||
| for _, s := range suffixes { | ||
| s := s | ||
| t.Run(b.name+" "+p.prefix+" "+s.suffix, func(t *testing.T) { | ||
| addr := p.prefix + b.addr + s.suffix | ||
| addr, err := types.ExtractBaseAddress(addr) | ||
| if p.isErr || s.isErr { | ||
| require.Error(t, err) | ||
| } else { | ||
| require.NoError(t, err) | ||
| if p.baseIsWrong || s.baseIsWrong { | ||
| require.NotEqual(t, b.addr, addr) | ||
| } else { | ||
| require.Equal(t, b.addr, addr) | ||
| } | ||
| } | ||
| }) | ||
| } | ||
| } | ||
| } | ||
| } |