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bdcontract-doc/markdown/markdown_BDWare/httpapi.md

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``` {.yaml}
type: google.api.Service
config_version: 3
http:
rules:
- selector: bdware.bdledger.api.Node.ClientVersion
get: /v0/node/version
- selector: bdware.bdledger.api.Ledger.CreateLedger
post: /v0/ledgers
body: "*"
- selector: bdware.bdledger.api.Ledger.GetLedgers
get: /v0/ledgers
- selector: bdware.bdledger.api.Ledger.SendTransaction
post: /v0/ledgers/{ledger}/transactions
body: "*"
- selector: bdware.bdledger.api.Query.GetBlockByHash
get: /v0/ledgers/{ledger}/block
- selector: bdware.bdledger.api.Query.GetBlocks
post: /v0/ledgers/{ledger}/blocks/query
body: "*"
- selector: bdware.bdledger.api.Query.CountBlocks
post: /v0/ledgers/{ledger}/blocks/count
body: "*"
- selector: bdware.bdledger.api.Query.GetRecentBlocks
get: /v0/ledgers/{ledger}/blocks/recent
- selector: bdware.bdledger.api.Query.GetTransactionByHash
get: /v0/ledgers/{ledger}/transaction
- selector: bdware.bdledger.api.Query.GetTransactionByBlockHashAndIndex
get: /v0/ledgers/{ledger}/block/transaction
- selector: bdware.bdledger.api.Query.GetTransactions
post: /v0/ledgers/{ledger}/transactions/query
body: "*"
- selector: bdware.bdledger.api.Query.CountTransactions
post: /v0/ledgers/{ledger}/transactions/count
body: "*"
```
> **Note**
>
> Request/Response data of **bytes** type should/will be encoded with
> [Base64](https://tools.ietf.org/html/rfc4648#section-4).
> **Note**
>
> When using hash strings in URL, they need to be encoded with
> [encodeURIComponent](https://developer.mozilla.org/zh-CN/docs/Web/JavaScript/Reference/Global_Objects/encodeURIComponent).
Request Examples {#_request_examples}
================
Node.ClientVersion {#_node_clientversion}
------------------
Get BDLedger node version
GET http://{{IP}}:{{PORT}}/v0/node/version
**Response.**
``` {.json}
{
"version": "dev-210119.a88bf4eb"
}
```
Ledger.CreateLedger {#_ledger_createledger}
-------------------
Create a new ledger
POST http://{{IP}}:{{PORT}}/v0/ledgers
**Request body.**
``` {.json}
{
"name": "test"
}
```
**Response.**
``` {.json}
{
"ok": true
}
```
Ledger.GetLedgers {#_ledger_getledgers}
-----------------
Get all ledgers
GET http://{{IP}}:{{PORT}}/v0/ledgers
**Response.**
``` {.json}
{
"ledgers": [
"default",
"test"
]
}
```
Ledger.SendTransaction {#_ledger_sendtransaction}
----------------------
Send a new transaction
POST http://{{IP}}:{{PORT}}/v0/ledgers/test/transactions
**Request body.**
``` {.json}
{
"transaction": {
"type": 0,
"from": "8A3K/vANyv7wDcr+8A3K/vANyv4=",
"nonce": 52,
"data": "lQItWZKS5hlUn6V/DMKKwvZXxvM="
}
}
```
**Response.**
``` {.json}
{
"hash": "VQBeA5Ee0Y5hqEileoQuYMHbOSE="
}
```
Query.GetBlockByHash {#_query_getblockbyhash}
--------------------
Get a block identified by its hash
GET http://{{IP}}:{{PORT}}/v0/ledgers/test/block?hash=LSKr%2BK079Ax%2BrKdlyYN5ze2YGzo%3D
**hash** has to be encoded with
[encodeURIComponent](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/encodeURIComponent)
**Response.**
``` {.json}
{
"block": {
"hash": "LSKr+K079Ax+rKdlyYN5ze2YGzo=",
"creator": "",
"nonce": "0",
"parentHashes": [
"fLX5pMY8M1qSAGZdKT1rWBkdEMo=",
"rk0DWMaUpRG82yVX+cFhbfhPFdw=",
"3XkwkuMBearq8uavN76Te7Zdpl8="
],
"witnesses": [],
"timestamp": "1611038043",
"size": "0",
"transactionCount": 1,
"transactionsRoot": "VQBeA5Ee0Y5hqEileoQuYMHbOSE=",
"transactions": [
{
"blockHash": "",
"blockTimestamp": "0",
"index": 0,
"hash": "VQBeA5Ee0Y5hqEileoQuYMHbOSE=",
"type": "RECORD",
"from": "8A3K/vANyv7wDcr+8A3K/vANyv4=",
"nonce": "0",
"to": "AAAAAAAAAAAAAAAAAAAAAAAAAAA=",
"data": "lQItWZKS5hlUn6V/DMKKwvZXxvM="
}
],
"transactionHashes": [
"VQBeA5Ee0Y5hqEileoQuYMHbOSE="
]
}
}
```
Query.GetBlocks {#_query_getblocks}
---------------
Get blocks in a timestamp range
POST http://{{IP}}:{{PORT}}/v0/ledgers/test/blocks/query
``` {.protobuf}
enum IncludeTransactions {
NONE = 0; // Don't include transaction data
HASH = 1; // Include transactions hashes
FULL = 2; // Include full transactions
}
```
Requirement: asciimath:\[\"start\_timestamp\"⇐\"end\_timestamp\"\]
If only **end\_timestamp** is not specified, or
asciimath:\[\"end\_timestamp\"-\"start\_timestamp\"\>\"query.maxDuration\"\],
then **end\_timestamp** will be set to
asciimath:\[\"start\_timestamp\"+\"query.maxDuration\"\].
If only **start\_timestamp** is not specified, then **start\_timestamp**
will be set to asciimath:\[\"end\_timestamp\"-\"query.maxDuration\"\].
In all cases, **start\_timestamp** will never be earlier than the
genesis block's timestamp, and **end\_timestamp** will never be later
than the current timestamp when the node process the query request.
**Request body 1.**
``` {.json}
{
"start_timestamp": 1611038000,
"end_timestamp": 1611039000,
"include_transactions": 0
}
```
**Response 1.**
``` {.json}
{
"blocks": [
{
"hash": "LSKr+K079Ax+rKdlyYN5ze2YGzo=",
"creator": "",
"nonce": "0",
"parentHashes": [
"fLX5pMY8M1qSAGZdKT1rWBkdEMo=",
"rk0DWMaUpRG82yVX+cFhbfhPFdw=",
"3XkwkuMBearq8uavN76Te7Zdpl8="
],
"witnesses": [],
"timestamp": "1611038043",
"size": "0",
"transactionCount": 1,
"transactionsRoot": "VQBeA5Ee0Y5hqEileoQuYMHbOSE=",
"transactions": [],
"transactionHashes": []
}
],
"startTimestamp": "1611038043",
"endTimestamp": "1611038043"
}
```
**Request body 2.**
``` {.json}
{
"start_timestamp": 1611038000,
"end_timestamp": 1611039000,
"include_transactions": 1
}
```
**Response 2.**
``` {.json}
{
"blocks": [
{
"hash": "LSKr+K079Ax+rKdlyYN5ze2YGzo=",
"creator": "",
"nonce": "0",
"parentHashes": [
"fLX5pMY8M1qSAGZdKT1rWBkdEMo=",
"rk0DWMaUpRG82yVX+cFhbfhPFdw=",
"3XkwkuMBearq8uavN76Te7Zdpl8="
],
"witnesses": [],
"timestamp": "1611038043",
"size": "0",
"transactionCount": 1,
"transactionsRoot": "VQBeA5Ee0Y5hqEileoQuYMHbOSE=",
"transactions": [],
"transactionHashes": [
"VQBeA5Ee0Y5hqEileoQuYMHbOSE="
]
}
],
"startTimestamp": "1611038043",
"endTimestamp": "1611038043"
}
```
**Request body 3.**
``` {.json}
{
"start_timestamp": 1611038000,
"end_timestamp": 1611039000,
"include_transactions": 2
}
```
**Response 3.**
``` {.json}
{
"blocks": [
{
"hash": "LSKr+K079Ax+rKdlyYN5ze2YGzo=",
"creator": "",
"nonce": "0",
"parentHashes": [
"fLX5pMY8M1qSAGZdKT1rWBkdEMo=",
"rk0DWMaUpRG82yVX+cFhbfhPFdw=",
"3XkwkuMBearq8uavN76Te7Zdpl8="
],
"witnesses": [],
"timestamp": "1611038043",
"size": "0",
"transactionCount": 1,
"transactionsRoot": "VQBeA5Ee0Y5hqEileoQuYMHbOSE=",
"transactions": [
{
"blockHash": "",
"blockTimestamp": "0",
"index": 0,
"hash": "VQBeA5Ee0Y5hqEileoQuYMHbOSE=",
"type": "RECORD",
"from": "8A3K/vANyv7wDcr+8A3K/vANyv4=",
"nonce": "0",
"to": "AAAAAAAAAAAAAAAAAAAAAAAAAAA=",
"data": "lQItWZKS5hlUn6V/DMKKwvZXxvM="
}
],
"transactionHashes": [
"VQBeA5Ee0Y5hqEileoQuYMHbOSE="
]
}
],
"startTimestamp": "1611038043",
"endTimestamp": "1611038043"
}
```
Query.CountBlocks {#_query_countblocks}
-----------------
Count all blocks in a ledger, or blocks in a timestamp range
POST http://{{IP}}:{{PORT}}/v0/ledgers/test/blocks/count
Requirement: asciimath:\[\"start\_timestamp\"⇐\"end\_timestamp\"\]
If neither **start\_timestamp** nor **end\_timestamp** is specified,
then count all blocks in the specified ledger.
If only **end\_timestamp** is not specified, then count all blocks with
timestamps later than **start\_timestamp**.
If only **start\_timestamp** is not specified, then count all blocks
with timestamps earlier than **end\_timestamp**.
In all cases, **start\_timestamp** will never be earlier than the
genesis block's timestamp, and **end\_timestamp** will never be later
than the current timestamp when the node process the query request.
**Request body 1.**
``` {.json}
{}
```
**Response 1.**
``` {.json}
{
"count": "5",
"startTimestamp": "0",
"endTimestamp": "1611039957"
}
```
**Request body 2.**
``` {.json}
{
"start_timestamp": 1611038000,
"end_timestamp": 1611039000
}
```
**Response 2.**
``` {.json}
{
"count": "1",
"startTimestamp": "1611038000",
"endTimestamp": "1611039000"
}
```
Query.GetRecentBlocks {#_query_getrecentblocks}
---------------------
Get recent **count** blocks (Only support IncludeTransactions=NONE for
now)
GET http://{{IP}}:{{PORT}}/v0/ledgers/test/blocks/recent?count=2
**Response.**
``` {.json}
{
"blocks": [
{
"hash": "LSKr+K079Ax+rKdlyYN5ze2YGzo=",
"creator": "",
"nonce": "0",
"parentHashes": [
"fLX5pMY8M1qSAGZdKT1rWBkdEMo=",
"rk0DWMaUpRG82yVX+cFhbfhPFdw=",
"3XkwkuMBearq8uavN76Te7Zdpl8="
],
"witnesses": [],
"timestamp": "1611038043",
"size": "0",
"transactionCount": 1,
"transactionsRoot": "VQBeA5Ee0Y5hqEileoQuYMHbOSE=",
"transactions": [],
"transactionHashes": []
},
{
"hash": "rk0DWMaUpRG82yVX+cFhbfhPFdw=",
"creator": "",
"nonce": "0",
"parentHashes": [
"fLX5pMY8M1qSAGZdKT1rWBkdEMo=",
"3XkwkuMBearq8uavN76Te7Zdpl8=",
"8pZPR74OALIbps5XFb4dL/s0j0M="
],
"witnesses": [],
"timestamp": "1610968019",
"size": "0",
"transactionCount": 1,
"transactionsRoot": "LuxttCm/pSHVMOKF0sJExk+DJXc=",
"transactions": [],
"transactionHashes": []
}
],
"startTimestamp": "1610968019",
"endTimestamp": "1611038043"
}
```
Query.GetTransactionByHash {#_query_gettransactionbyhash}
--------------------------
Get a transaction identified by its hash
GET http://{{IP}}:{{PORT}}/v0/ledgers/test/transaction?hash=VQBeA5Ee0Y5hqEileoQuYMHbOSE%3D
**hash** has to be encoded with
[encodeURIComponent](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/encodeURIComponent)
**Response.**
``` {.json}
{
"transaction": {
"blockHash": "LSKr+K079Ax+rKdlyYN5ze2YGzo=",
"blockTimestamp": "1611038043",
"index": 0,
"hash": "VQBeA5Ee0Y5hqEileoQuYMHbOSE=",
"type": "RECORD",
"from": "8A3K/vANyv7wDcr+8A3K/vANyv4=",
"nonce": "0",
"to": "AAAAAAAAAAAAAAAAAAAAAAAAAAA=",
"data": "lQItWZKS5hlUn6V/DMKKwvZXxvM="
}
}
```
Query.GetTransactionByBlockHashAndIndex {#_query_gettransactionbyblockhashandindex}
---------------------------------------
Get a transaction identified by hash of the block it belongs to and its
index inside the block
GET http://{{IP}}:{{PORT}}/v0/ledgers/test/block/transaction?blockHash=LSKr%2BK079Ax%2BrKdlyYN5ze2YGzo%3D&index=0
**blockHash** has to be encoded with
[encodeURIComponent](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/encodeURIComponent)
**Response.**
``` {.json}
{
"transaction": {
"blockHash": "LSKr+K079Ax+rKdlyYN5ze2YGzo=",
"blockTimestamp": "1611038043",
"index": 0,
"hash": "VQBeA5Ee0Y5hqEileoQuYMHbOSE=",
"type": "RECORD",
"from": "8A3K/vANyv7wDcr+8A3K/vANyv4=",
"nonce": "0",
"to": "AAAAAAAAAAAAAAAAAAAAAAAAAAA=",
"data": "lQItWZKS5hlUn6V/DMKKwvZXxvM="
}
}
```
Query.GetTransactions {#_query_gettransactions}
---------------------
Get transactions in a timestamp range
POST http://{{IP}}:{{PORT}}/v0/ledgers/test/transactions/query
**start\_timestamp** and **end\_timestamp** follow the same requirements
and rules as in [???](#Query.GetBlocks).
**Request body.**
``` {.json}
{
"start_timestamp": 1611038000,
"end_timestamp": 1611039000
}
```
**Response.**
``` {.json}
{
"transactions": [
{
"blockHash": "",
"blockTimestamp": "0",
"index": 0,
"hash": "VQBeA5Ee0Y5hqEileoQuYMHbOSE=",
"type": "RECORD",
"from": "8A3K/vANyv7wDcr+8A3K/vANyv4=",
"nonce": "0",
"to": "AAAAAAAAAAAAAAAAAAAAAAAAAAA=",
"data": "lQItWZKS5hlUn6V/DMKKwvZXxvM="
}
],
"startTimestamp": "1611038043",
"endTimestamp": "1611038043"
}
```
Query.CountTransactions {#_query_counttransactions}
-----------------------
Count all transactions in a ledger, or transactions in a timestamp range
POST http://{{IP}}:{{PORT}}/v0/ledgers/test/transactions/count
**start\_timestamp** and **end\_timestamp** follow the same requirements
and rules as in [???](#Query.CountBlocks).
**Request body 1.**
``` {.json}
{}
```
**Response 1.**
``` {.json}
{
"count": "4",
"startTimestamp": "0",
"endTimestamp": "1611039957"
}
```
**Request body 2.**
``` {.json}
{
"start_timestamp": 1611038000,
"end_timestamp": 1611039000
}
```
**Response 2.**
``` {.json}
{
"count": "1",
"startTimestamp": "1611038000",
"endTimestamp": "1611039000"
}
```
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