feat(express): migrating to typed router

[rahulhegde-bitgo]

Typed router for signtx api

Ticket: WP-5407

[rahulhegde-bitgo]

OpenApi Doc generated from @api-ts/openapi-generator:

/api/v1/wallet/{id}/signtransaction:
    post:
      summary: signTransaction
      description: Sign a previously created transaction with a keychain
      operationId: express.v1.wallet.signTransaction
      parameters:
        - name: id
          description: ID of the wallet
          in: path
          required: true
          schema:
            type: string
      requestBody:
        content:
          application/json:
            schema:
              type: object
              properties:
                transactionHex:
                  type: string
                  description: Serialized form of the transaction in hex
                unspents:
                  type: array
                  items:
                    description: >-
                      array of unspent information, where each unspent is a
                      chainPath and redeemScript with the same index as the
                      inputs in the transactionHex
                keychain:
                  allOf:
                    - type: object
                      properties:
                        xprv:
                          type: string
                      required:
                        - xprv
                    - type: object
                      additionalProperties: {}
                  description: Keychain containing the xprv to sign with
                signingKey:
                  type: string
                  description: For legacy safe wallets, the private key string
                validate:
                  type: boolean
                  description: >-
                    extra verification of signatures (which are always verified
                    server-side) (defaults to global config)
              required:
                - transactionHex
                - unspents
                - keychain
                - signingKey
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                type: object
                additionalProperties: {}
                description: Successfully accepted wallet share
        '400':
          description: Bad Request
          content:
            application/json:
              schema:
                allOf:
                  - $ref: '#/components/schemas/BitgoExpressError'
                description: Error response

[rahulhegde-bitgo]

Tested the api with this curl:

--header 'Content-Type: application/json' \
--header 'Authorization: Bearer notGonnaShareThis' \
--data '{
    "transactionHex": "0100000001c7a6e16e2bcf94fba6e0a5839b7accd93f2d684b4b7d97a75a6c3b9b79644f0c0000000000ffffffff0188130000000000001976a914385ed68a0d08c9d34553774be5ee8d5ce2261fce88ac00000000",
    "unspents": [
      {
        "chainPath": "m/0/0",
        "redeemScript": "522103b31347f19510acbc7f50822ac4093ca80554946c471b43eb937d0c9118d1122d2102cd3787d12af6eb87e7b9af00118a225e2ce663a5c94f555460ae131139a2afee2103bd558669de622fc57a8157f449c52254218dfe4e843f58b214b710c4c36833c153ae"
      }
    ],
    "keychain": {
      "xprv": "xprv",
      "xpub": "xpub"
    },
    "signingKey": "s",
    "validate": true
  }'

[lokesh-bitgo]

LGTM

[0xPrabh]

LGTM