3dpscan is a blockchain explorer for The Ledger of Things.
- Data indexing: we use js scripts to query blockchain history data, normalize and save them to database.
- Scan: it's a process that we index blockchain data in a height asc order.
Full archive LoT blockchain data base is required for the explorer to operate. Run the Node with the
--pruning archive flag and sync it from genesis block to get the db prepared for scanning.
./target/release/poscan-consensus \
--base-path ~/3dp-chain/ \
--chain mainnetSpecRaw.json \
--name "my 160 USD dedicated server" \
--validator \
--telemetry-url "wss://submit.3dpass.network/submit 0" \
--author <your mining pub key> \
--no-mdns \
--unsafe-ws-external \
--unsafe-rpc-external \
--rpc-cors all \
--ws-port 9945 \
--rpc-port 9934 \
--pruning archive \
This code base can be divided into 3 parts: data indexing, servers(restful and graphql) and fronted pages.
Currently, we have the following packages for data indexing.
- block-scan for block/extrinsic/event/transfer data.
- account-scan for latest account balance info.
- runtime-scan for history runtime metadata versions.
- identity-scan for identity related business.
- assets-scan for pallet assets business.
- pallet-proxy-scan for proxy pallet business.
- pallet-recovery-scan for recover pallet business.
- vesting-scan for latest vesting data.
- multisig-scan for multisig data indexing.
- uniques-scan for previous uniques pallet business indexing, outdated.
We have a RESTful server and a GraphQL server, and the RESTful server will be finally replaced by the GraphQL server.
The site package call APIs from servers and render fronted pages.
We should install MongoDB first for data storage.
Then generally we should first index necessary data, then setup restful and graphql servers, and finally the site. Servers rely on the indexed data, and site reply on the APIs by the servers.
URL: https://api.3dpscan.xyz/overview
{
"latestHeight": 1337566,
"finalizedHeight": 1337564,
"totalIssuance": "771319474246270346717",
"signedExtrinsics": 1135042,
"transfers": 1085854,
"accounts": 3897
}
URL: https://api.3dpscan.xyz/accounts?page=0&page_size=25
Parameters:
page=0- page numberpage_size=25- number of accounts per page
Response:
"items": [
{
"address": "d1HXD9afZhqTM95iN66QKRh1D1Gzuwtvvox84GGe8L4xF1L51",
"data": {
"total": "3000020989978690000",
"free": "3000018973978690000",
"reserved": "2016000000000",
"miscFrozen": "3000000000000000000",
"feeFrozen": "0x000000000000000029a2241af62c0000"
},
"detail": {
"nonce": 10,
"consumers": 1,
"providers": 1,
"sufficients": 0,
"data": {
"free": "0x000000000000000029a2355caf6e81d0",
"reserved": 2016000000000,
"miscFrozen": "0x000000000000000029a2241af62c0000",
"feeFrozen": "0x000000000000000029a2241af62c0000"
}
}
},...
],
"page": 1,
"pageSize": 25,
"total": 7999
}
URL: https://api.3dpscan.xyz/transfers?page=0&page_size=25&signed_only=true
Parameters:
page=0- page numberpage_size=25- number of transfers per pagesigned_only=true- if only signed transfers required (thetrueis recommended for most of the cases)
Response:
{
"items": [
{
"indexer": {
"blockHeight": 1276047,
"blockHash": "0x9c947e48bee48be9aaf1654141512667348c3af93b026030b737091b91c52975",
"blockTime": 1740088569406,
"eventIndex": 14,
"extrinsicIndex": 7
},
"from": "d1GgtEoKL4Kwd12zTdpkV9KChrvvP5ZjhQRVEmjkTTmBVW9Cy",
"to": "d1FnU4K1YphVHFvQ2FgkLYhcvshb83YkXK52jTDU17uPrcX4n",
"balance": "218280695797780",
"isSigned": true,
"isNativeAsset": true
},
],
"page": 0,
"pageSize": 25
}
Parameters:
../d1FygYC5r7rJz4P7y14oJRKEGBwohkNpV2h1h6vjudz2DUvfP/..- the address to query blockcain data forpage=0- page numberpage_size=25- number of transfers per page
Response:
{
"items": [
{
"indexer": {
"blockHeight": 1173176,
"blockHash": "0x915604004e69261a5e8852a98627840ab087443a79b1f126d7d7c9ea05a306db",
"blockTime": 1733800300272,
"eventIndex": 59
},
"from": "d1Dhvwtmm6213dcHSQGjVrgBUAPXqyPCkxed6GoWjWpMBM4Zz",
"to": "d1FygYC5r7rJz4P7y14oJRKEGBwohkNpV2h1h6vjudz2DUvfP",
"balance": "1044776119402",
"isSigned": false,
"isNativeAsset": true
},
{
"indexer": {
"blockHeight": 1164150,
"blockHash": "0xb805115134298d9f50a0c02b50947f66431d1118ee6389dd380c55be959cdb59",
"blockTime": 1733248259849,
"eventIndex": 10,
"extrinsicIndex": 5
},
"from": "d1FygYC5r7rJz4P7y14oJRKEGBwohkNpV2h1h6vjudz2DUvfP",
"to": "d1CG3nyJJgJnURJHVsQvE2zHCEay2459Bsv6wF7aLiBZ7xT44",
"balance": "2744665400000000",
"isSigned": true,
"isNativeAsset": true
},
],
"page": 0,
"pageSize": 25,
"total": 6803
}
By txid (extrinsic hash):
By extrinsic id (blockHeight-extrinsicIndex):
Response:
{
"indexer": {
"blockHeight": 1341436,
"blockHash": "0x3a4b3e148349ea3b70107fecc96aeb379346e82e4264edc27805db82c842592b",
"blockTime": 1744087081836,
"extrinsicIndex": 6
},
"version": 132,
"hash": "0x4321d4e370b2d43116e8bf5fdb8a260a01d90321f84c3192fb265424246c8b18",
"isSuccess": true,
"call": {
"callIndex": "0x0804",
"section": "balances",
"method": "transferAll",
"args": [
{
"name": "dest",
"type": "LookupSource",
"value": "d1CQTPpCb9YTAowLmzMByyRpue8QmvJZxMXvSxPqiJeQpFpFu"
},
{
"name": "keepAlive",
"type": "bool",
"value": true
}
]
},
"eventsCount": 4,
"isSigned": true,
"listIgnore": false,
"nonce": 1254,
"signer": "d1Hsqexg7GJuHYwaqJ5k5EXvHc4f1MBK5zWMCqK3mhHGmWMiJ",
"signature": "0xf2484deb8180465b19752d77e7e35c3b4402c84e213b6248a323e58dd36bce01b94063d4ffe5a92c10fed9ddf784ad2afbb4725fc07853143f0b908db7839c8d",
"tip": "0",
"lifetime": [
1341431,
1345527
],
"callsCount": 1,
"isFinalized": true
}
By block hash:
- URL: https://api.3dpscan.xyz/blocks/0xb72b088ebfb6d027994b13e8ff54dae78b01cfd17424c1979746cba0dc2dbb0a
By block height:
Response:
{
"height": 1341597,
"hash": "0xb72b088ebfb6d027994b13e8ff54dae78b01cfd17424c1979746cba0dc2dbb0a",
"time": 1744097039876,
"validator": null,
"parentHash": "0x536f5815be7664393583acb241b90f0b8c038d698007073f294a21f712c9240f",
"stateRoot": "0xf16951200533462351b1afe459a13e678114dcae7c4e7395566d3f533a70dab4",
"extrinsicsRoot": "0x3d0a6cf04b7279d0d4a14d8bb125b0b1d54ab5f79ff208d9b4a56e8f4d28165b",
"digest": {
"logs": [
{
"preRuntime": [
"0x706f7363",
"0xe67f0c973a5d521831514b62ceaa24e6c6bc22cf1ab363459e990d1c0d52f51a"
]
},
{
"seal": [
"0x70736332",
"0xadef01000000000000000000000000000000000000000000000000000000000000004191ca50d2a9a54242b5c00da9e83d1959fa4755e39aa0413fa32d634512817329da6cdc7e27edc5242a4f82568f91b1b84d4570e552211e184e61f511f57348a3ce9483f262859db121545b0ffdd43295455d907a9a3637493cd06e0d9ccb936f127a99e52548622fa756ae9a61cd6756730742c8217708136ba27cb58a3e75743b85e1701f51c92c3bc11eb21e8ac87f19d9b085fa0b790bf9e9902b013abfe407040713a1f9833f7f8d67f1826be1de9a59bbe4406eb5179fff3eb181"
]
},
{
"other": "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"
},
{
"other": "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"
},
{
"other": "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}
]
},
"eventsCount": 344,
"extrinsicsCount": 5,
"isFinalized": true
}
Parameters:
- "height" – the block height
- "hash" – the block hash
- "time" – the block time
- "validator" – deprecated field, always
null. There's no validator in the block header taking place in LoT. - "parentHash" – the parent block hash
- "stateRoot" - the block state root hash
- "extrinsicsRoot" - the extrinsics root hash
- "digest" - the PoW component digest containing the consesnsus logs:
- "logs":
- "preRuntime" - block author's public key
- "seal" - the seal encoded data containing the RandomX(Grid2d μ = x) hash (sealed with the block difficulty)
- "other" - Grid2d (μ = 0) hashid (encoded data)
- "other" - proof of context historic hash encoded (encoded data)
- "other" – Nonce (encoded 3D model of the object in the content of .obj file format)
- "logs":
- "eventsCount" - total number of events emitted by all the modules
- "extrinsicsCount" - total number of extrinsics in the block
- "isFinalized" - GRANDPA blockchain finalization status from the PoA component (the blocks are being finalized by the validator set/masternodes).
Explore the Proof of Scan protocol description for better understanding of the block components.