c7ad21d162
* update rest endpoints * Add conversion logic for auth encode/decode/broadcast * Cleanup * Add tx conversion to legacy REST tx endpoints. * Cleanup * Add tests * Add tests for ConvertAndEncodeStdTx * Fix for StdSignature * Test coverage improvements * Add integration test for REST broadcast Co-authored-by: Aaron Craelius <aaronc@users.noreply.github.com> Co-authored-by: Aaron Craelius <aaron@regen.network>
73 lines
1.8 KiB
Go
73 lines
1.8 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/x/auth/signing"
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"github.com/cosmos/cosmos-sdk/client"
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clienttx "github.com/cosmos/cosmos-sdk/client/tx"
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"github.com/cosmos/cosmos-sdk/types/rest"
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authtypes "github.com/cosmos/cosmos-sdk/x/auth/types"
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)
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type (
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// DecodeReq defines a tx decoding request.
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DecodeReq struct {
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Tx string `json:"tx"`
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}
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// DecodeResp defines a tx decoding response.
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DecodeResp authtypes.StdTx
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)
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// DecodeTxRequestHandlerFn returns the decode tx REST handler. In particular,
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// it takes base64-decoded bytes, decodes it from the Amino wire protocol,
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// and responds with a json-formatted transaction.
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func DecodeTxRequestHandlerFn(clientCtx client.Context) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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var req DecodeReq
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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.Codec.UnmarshalJSON(body, &req)
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if rest.CheckBadRequestError(w, err) {
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return
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}
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txBytes, err := base64.StdEncoding.DecodeString(req.Tx)
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if rest.CheckBadRequestError(w, err) {
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return
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}
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tx, err := clientCtx.TxConfig.TxDecoder()(txBytes)
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if rest.CheckBadRequestError(w, err) {
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return
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}
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sigFeeMemoTx, ok := tx.(signing.SigFeeMemoTx)
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if !ok {
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rest.WriteErrorResponse(w, http.StatusBadRequest, fmt.Sprintf("%+v is not backwards compatible with %T", tx, authtypes.StdTx{}))
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return
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}
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stdTx, err := clienttx.ConvertTxToStdTx(clientCtx.Codec, sigFeeMemoTx)
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if rest.CheckBadRequestError(w, err) {
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return
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}
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response := DecodeResp(stdTx)
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// NOTE: amino is set intentionally here, don't migrate it
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clientCtx = clientCtx.WithJSONMarshaler(clientCtx.Codec)
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rest.PostProcessResponse(w, clientCtx, response)
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}
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}
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