support go-onchain-credential-adapter #57
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| Original file line number | Diff line number | Diff line change | ||||||
|---|---|---|---|---|---|---|---|---|
| @@ -0,0 +1,67 @@ | ||||||||
| package c_polygonid | ||||||||
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| import ( | ||||||||
| "context" | ||||||||
| "encoding/json" | ||||||||
| "fmt" | ||||||||
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||||||||
| "github.com/ethereum/go-ethereum/ethclient" | ||||||||
| core "github.com/iden3/go-iden3-core/v2" | ||||||||
| "github.com/iden3/go-iden3-core/v2/w3c" | ||||||||
| convertor "github.com/iden3/go-onchain-credential-adapter" | ||||||||
| "github.com/iden3/go-schema-processor/v2/merklize" | ||||||||
| "github.com/iden3/go-schema-processor/v2/verifiable" | ||||||||
| ) | ||||||||
|
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| type w3CCredentialFromOnchainHexRequest struct { | ||||||||
| IssuerDID coreDID `json:"issuerDID"` | ||||||||
| Hexdata string `json:"hexdata"` | ||||||||
| Version string `json:"version"` | ||||||||
| } | ||||||||
|
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| func W3CCredentialFromOnchainHex( | ||||||||
| ctx context.Context, | ||||||||
| envCfg EnvConfig, | ||||||||
| in []byte, | ||||||||
| ) (*verifiable.W3CCredential, error) { | ||||||||
| var inParams w3CCredentialFromOnchainHexRequest | ||||||||
| if err := json.Unmarshal(in, &inParams); err != nil { | ||||||||
| return nil, fmt.Errorf("failed to unmarshal input params: %w", err) | ||||||||
| } | ||||||||
|
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| issuerDID := w3c.DID(inParams.IssuerDID) | ||||||||
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| chainID, err := core.ChainIDfromDID(issuerDID) | ||||||||
| if err != nil { | ||||||||
| return nil, fmt.Errorf("failed to get chain id from issuer: %w", err) | ||||||||
| } | ||||||||
| chainConfig, ok := envCfg.ChainConfigs[chainID] | ||||||||
| if !ok { | ||||||||
| return nil, fmt.Errorf("chain id '%d' not found in config", chainID) | ||||||||
| } | ||||||||
|
|
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| ethcli, err := ethclient.DialContext(ctx, chainConfig.RPCUrl) | ||||||||
| if err != nil { | ||||||||
| return nil, | ||||||||
| fmt.Errorf("failed to connect to ethereum: %w", err) | ||||||||
| } | ||||||||
| defer ethcli.Close() | ||||||||
|
|
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|
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|
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| credential, err := convertor.W3CCredentialFromOnchainHex( | ||||||||
| ctx, | ||||||||
| ethcli, | ||||||||
| &issuerDID, | ||||||||
| inParams.Hexdata, | ||||||||
| inParams.Version, | ||||||||
| convertor.WithMerklizeOptions( | ||||||||
| merklize.Options{ | ||||||||
| DocumentLoader: envCfg.documentLoader(), | ||||||||
| }, | ||||||||
| ), | ||||||||
| ) | ||||||||
| if err != nil { | ||||||||
| return nil, | ||||||||
| fmt.Errorf("failed to convert onchain hex to W3C credential: %w", err) | ||||||||
| } | ||||||||
| return credential, nil | ||||||||
| } | ||||||||
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Could you add a documentation to this function?