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sovereign: update sovereign testapp to v50 (#1357)
* sovereign: migrate export.go * sovereign: migrate app, root, main
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# Sovereign/Standalone chain | ||
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Standalone simapp is modeled after the `app/consumer/app.go`. It must support all features that `app/consumer/app.go` supports so we can use it in standalone to consumer changeover procedures in our test suites. |
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package app | ||
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import ( | ||
"bytes" | ||
"crypto/rand" | ||
"encoding/json" | ||
"fmt" | ||
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abci "github.com/cometbft/cometbft/abci/types" | ||
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"github.com/cosmos/cosmos-sdk/baseapp" | ||
sdk "github.com/cosmos/cosmos-sdk/types" | ||
) | ||
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type ( | ||
// VoteExtensionHandler defines a dummy vote extension handler for SimApp. | ||
// | ||
// NOTE: This implementation is solely used for testing purposes. DO NOT use | ||
// in a production application! | ||
VoteExtensionHandler struct{} | ||
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// VoteExtension defines the structure used to create a dummy vote extension. | ||
VoteExtension struct { | ||
Hash []byte | ||
Height int64 | ||
Data []byte | ||
} | ||
) | ||
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func NewVoteExtensionHandler() *VoteExtensionHandler { | ||
return &VoteExtensionHandler{} | ||
} | ||
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func (h *VoteExtensionHandler) SetHandlers(bApp *baseapp.BaseApp) { | ||
bApp.SetExtendVoteHandler(h.ExtendVote()) | ||
bApp.SetVerifyVoteExtensionHandler(h.VerifyVoteExtension()) | ||
} | ||
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func (h *VoteExtensionHandler) ExtendVote() sdk.ExtendVoteHandler { | ||
return func(_ sdk.Context, req *abci.RequestExtendVote) (*abci.ResponseExtendVote, error) { | ||
buf := make([]byte, 1024) | ||
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_, err := rand.Read(buf) | ||
if err != nil { | ||
return nil, fmt.Errorf("failed to generate random vote extension data: %w", err) | ||
} | ||
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ve := VoteExtension{ | ||
Hash: req.Hash, | ||
Height: req.Height, | ||
Data: buf, | ||
} | ||
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bz, err := json.Marshal(ve) | ||
if err != nil { | ||
return nil, fmt.Errorf("failed to encode vote extension: %w", err) | ||
} | ||
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return &abci.ResponseExtendVote{VoteExtension: bz}, nil | ||
} | ||
} | ||
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func (h *VoteExtensionHandler) VerifyVoteExtension() sdk.VerifyVoteExtensionHandler { | ||
return func(ctx sdk.Context, req *abci.RequestVerifyVoteExtension) (*abci.ResponseVerifyVoteExtension, error) { | ||
var ve VoteExtension | ||
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if err := json.Unmarshal(req.VoteExtension, &ve); err != nil { | ||
return &abci.ResponseVerifyVoteExtension{Status: abci.ResponseVerifyVoteExtension_REJECT}, nil | ||
} | ||
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switch { | ||
case req.Height != ve.Height: | ||
return &abci.ResponseVerifyVoteExtension{Status: abci.ResponseVerifyVoteExtension_REJECT}, nil | ||
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case !bytes.Equal(req.Hash, ve.Hash): | ||
return &abci.ResponseVerifyVoteExtension{Status: abci.ResponseVerifyVoteExtension_REJECT}, nil | ||
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case len(ve.Data) != 1024: | ||
return &abci.ResponseVerifyVoteExtension{Status: abci.ResponseVerifyVoteExtension_REJECT}, nil | ||
} | ||
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return &abci.ResponseVerifyVoteExtension{Status: abci.ResponseVerifyVoteExtension_ACCEPT}, nil | ||
} | ||
} |
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