72 lines
1.9 KiB
Go
72 lines
1.9 KiB
Go
package rest
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import (
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"net/http"
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"github.com/cosmos/cosmos-sdk/client/context"
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"github.com/cosmos/cosmos-sdk/client/utils"
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"github.com/cosmos/cosmos-sdk/codec"
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"github.com/cosmos/cosmos-sdk/crypto/keys/keyerror"
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sdk "github.com/cosmos/cosmos-sdk/types"
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"github.com/cosmos/cosmos-sdk/x/auth"
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authtxb "github.com/cosmos/cosmos-sdk/x/auth/client/txbuilder"
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)
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// SignBody defines the properties of a sign request's body.
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type SignBody struct {
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Tx auth.StdTx `json:"tx"`
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AppendSig bool `json:"append_sig"`
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BaseReq utils.BaseReq `json:"base_req"`
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}
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// nolint: unparam
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// sign tx REST handler
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func SignTxRequestHandlerFn(cdc *codec.Codec, cliCtx context.CLIContext) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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var m SignBody
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if err := utils.ReadRESTReq(w, r, cdc, &m); err != nil {
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utils.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
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return
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}
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if !m.BaseReq.ValidateBasic(w) {
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return
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}
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// validate tx
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// discard error if it's CodeNoSignatures as the tx comes with no signatures
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if err := m.Tx.ValidateBasic(); err != nil && err.Code() != sdk.CodeNoSignatures {
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utils.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
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return
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}
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txBldr := authtxb.NewTxBuilder(
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utils.GetTxEncoder(cdc),
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m.BaseReq.AccountNumber,
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m.BaseReq.Sequence,
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m.Tx.Fee.Gas,
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1.0,
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false,
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m.BaseReq.ChainID,
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m.Tx.GetMemo(),
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m.Tx.Fee.Amount,
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nil,
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)
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signedTx, err := txBldr.SignStdTx(m.BaseReq.Name, m.BaseReq.Password, m.Tx, m.AppendSig)
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if keyerror.IsErrKeyNotFound(err) {
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utils.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
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return
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} else if keyerror.IsErrWrongPassword(err) {
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utils.WriteErrorResponse(w, http.StatusUnauthorized, err.Error())
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return
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} else if err != nil {
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utils.WriteErrorResponse(w, http.StatusInternalServerError, err.Error())
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return
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}
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utils.PostProcessResponse(w, cdc, signedTx, cliCtx.Indent)
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}
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}
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