c91f3b2651
<!-- The default pull request template is for types feat, fix, or refactor. For other templates, add one of the following parameters to the url: - template=docs.md - template=other.md --> ## Description Closes: #8700 <!-- Add a description of the changes that this PR introduces and the files that are the most critical to review. --> --- ### Author Checklist *All items are required. Please add a note to the item if the item is not applicable and please add links to any relevant follow up issues.* I have... - [x] included the correct [type prefix](https://github.com/commitizen/conventional-commit-types/blob/v3.0.0/index.json) in the PR title - [x] added `!` to the type prefix if API or client breaking change - [x] targeted the correct branch (see [PR Targeting](https://github.com/cosmos/cosmos-sdk/blob/master/CONTRIBUTING.md#pr-targeting)) - [x] provided a link to the relevant issue or specification - [x] followed the guidelines for [building modules](https://github.com/cosmos/cosmos-sdk/blob/master/docs/building-modules) - [x] included the necessary unit and integration [tests](https://github.com/cosmos/cosmos-sdk/blob/master/CONTRIBUTING.md#testing) - [x] added a changelog entry to `CHANGELOG.md` - [x] included comments for [documenting Go code](https://blog.golang.org/godoc) - [x] updated the relevant documentation or specification - [ ] reviewed "Files changed" and left comments if necessary - [ ] confirmed all CI checks have passed ### Reviewers Checklist *All items are required. Please add a note if the item is not applicable and please add your handle next to the items reviewed if you only reviewed selected items.* I have... - [ ] confirmed the correct [type prefix](https://github.com/commitizen/conventional-commit-types/blob/v3.0.0/index.json) in the PR title - [ ] confirmed `!` in the type prefix if API or client breaking change - [ ] confirmed all author checklist items have been addressed - [ ] reviewed state machine logic - [ ] reviewed API design and naming - [ ] reviewed documentation is accurate - [ ] reviewed tests and test coverage - [ ] manually tested (if applicable)
64 lines
2.0 KiB
Go
64 lines
2.0 KiB
Go
package rest
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import (
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"encoding/base64"
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"fmt"
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"io/ioutil"
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"net/http"
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"github.com/cosmos/cosmos-sdk/client"
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clientrest "github.com/cosmos/cosmos-sdk/client/rest"
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"github.com/cosmos/cosmos-sdk/client/tx"
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"github.com/cosmos/cosmos-sdk/types/rest"
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"github.com/cosmos/cosmos-sdk/x/auth/migrations/legacytx"
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)
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// EncodeResp defines a tx encoding response.
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type EncodeResp struct {
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Tx string `json:"tx" yaml:"tx"`
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}
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// ErrEncodeDecode is the error to show when encoding/decoding txs that are not
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// amino-serializable (e.g. IBC txs).
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var ErrEncodeDecode error = fmt.Errorf("this endpoint does not support txs that are not serializable"+
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" via Amino, such as txs that contain IBC `Msg`s. For more info, please refer to our"+
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" REST migration guide at %s", clientrest.DeprecationURL)
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// EncodeTxRequestHandlerFn returns the encode tx REST handler. In particular,
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// it takes a json-formatted transaction, encodes it to the Amino wire protocol,
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// and responds with base64-encoded bytes.
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func EncodeTxRequestHandlerFn(clientCtx client.Context) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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var req legacytx.StdTx
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body, err := ioutil.ReadAll(r.Body)
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if rest.CheckBadRequestError(w, err) {
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return
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}
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// NOTE: amino is used intentionally here, don't migrate it
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err = clientCtx.LegacyAmino.UnmarshalJSON(body, &req)
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// If there's an unmarshalling error, we assume that it's because we're
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// using amino to unmarshal a non-amino tx.
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if err != nil {
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if rest.CheckBadRequestError(w, ErrEncodeDecode) {
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return
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}
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}
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// re-encode it in the chain's native binary format
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txBytes, err := tx.ConvertAndEncodeStdTx(clientCtx.TxConfig, req)
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if rest.CheckInternalServerError(w, err) {
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return
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}
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// base64 encode the encoded tx bytes
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txBytesBase64 := base64.StdEncoding.EncodeToString(txBytes)
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response := EncodeResp{Tx: txBytesBase64}
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// NOTE: amino is set intentionally here, don't migrate it
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rest.PostProcessResponseBare(w, clientCtx, response)
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}
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}
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