68 lines
2.2 KiB
Go
68 lines
2.2 KiB
Go
package rest
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import (
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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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codectypes "github.com/cosmos/cosmos-sdk/codec/types"
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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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// BroadcastReq defines a tx broadcasting request.
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type BroadcastReq struct {
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Tx legacytx.StdTx `json:"tx" yaml:"tx"`
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Mode string `json:"mode" yaml:"mode"`
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}
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var _ codectypes.UnpackInterfacesMessage = BroadcastReq{}
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// UnpackInterfaces implements the UnpackInterfacesMessage interface.
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func (m BroadcastReq) UnpackInterfaces(unpacker codectypes.AnyUnpacker) error {
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return m.Tx.UnpackInterfaces(unpacker)
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}
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// BroadcastTxRequest implements a tx broadcasting handler that is responsible
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// for broadcasting a valid and signed tx to a full node. The tx can be
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// broadcasted via a sync|async|block mechanism.
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func BroadcastTxRequest(clientCtx client.Context) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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var req BroadcastReq
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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 err != nil {
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err := fmt.Errorf("this transaction cannot be broadcasted via legacy REST endpoints, because it does not support"+
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" Amino serialization. Please either use CLI, gRPC, gRPC-gateway, or directly query the Tendermint RPC"+
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" endpoint to broadcast this transaction. The new REST endpoint (via gRPC-gateway) is POST /cosmos/tx/v1beta1/txs."+
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" Please also see the REST endpoints migration guide at %s for more info", clientrest.DeprecationURL)
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if rest.CheckBadRequestError(w, err) {
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return
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}
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}
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txBytes, err := tx.ConvertAndEncodeStdTx(clientCtx.TxConfig, req.Tx)
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if rest.CheckInternalServerError(w, err) {
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return
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}
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clientCtx = clientCtx.WithBroadcastMode(req.Mode)
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res, err := clientCtx.BroadcastTx(txBytes)
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if rest.CheckInternalServerError(w, err) {
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return
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}
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rest.PostProcessResponseBare(w, clientCtx, res)
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}
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}
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