Ian Norden
GitHub
commit
aaa4459655
228
README.md
228
README.md
@ -33,3 +33,231 @@ Schemas and utils for IPLD ETH Postgres database
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```
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docker-compose -f docker-compose.test.yml up --build
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```
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## Example queries
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Note that searching by block_number in addition to block_hash is optional in the below queries where both are provided,
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but since the tables are partitioned by block_number doing so will improve query performance by informing the query
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planner which partition it needs to search.
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### Headers
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Retrieve header RLP (IPLD block) and CID for a given block hash
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```sql
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SELECT header_cids.cid,
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blocks.data
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FROM ipld.blocks,
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eth.header_cids
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WHERE header_cids.block_hash = {block_hash}
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AND header_cids.block_number = {block_number}
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AND header_cids.canonical
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AND blocks.key = header_cids.cid
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AND blocks.block_number = header_cids.block_number
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LIMIT 1
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```
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### Uncles
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Retrieve the uncle list RLP (IPLD block) and CID for a given block hash
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```sql
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SELECT uncle_cids.cid,
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blocks.data
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FROM eth.uncle_cids
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INNER JOIN eth.header_cids ON (
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uncle_cids.header_id = header_cids.block_hash
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AND uncle_cids.block_number = header_cids.block_number)
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INNER JOIN ipld.blocks ON (
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uncle_cids.cid = blocks.key
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AND uncle_cids.block_number = blocks.block_number)
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WHERE header_cids.block_hash = {block_hash}
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AND header_cids.block_number = {block_number}
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ORDER BY uncle_cids.parent_hash
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LIMIT 1
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```
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### Transactions
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Retrieve an ordered list of all the RLP encoded transactions (IPLD blocks) and their CIDs for a given block hash
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```sql
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SELECT transaction_cids.cid,
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blocks.data
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FROM eth.transaction_cids,
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eth.header_cids,
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ipld.blocks
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WHERE header_cids.block_hash = {block_hash}
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AND header_cids.block_number = {block_number}
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AND header_cids.canonical
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AND transaction_cids.block_number = header_cids.block_number
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AND transaction_cids.header_id = header_cids.block_hash
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AND blocks.block_number = header_cids.block_number
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AND blocks.key = transaction_cids.cid
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ORDER BY eth.transaction_cids.index ASC
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```
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Retrieve an RLP encoded transaction (IPLD block), the block hash and block number for the block it belongs to, and its position in the transaction
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for that block for a provided transaction hash
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```sql
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SELECT blocks.data,
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transaction_cids.header_id,
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transaction_cids.block_number,
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transaction_cids.index
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FROM eth.transaction_cids,
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ipld.blocks,
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eth.header_cids
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WHERE transaction_cids.tx_hash = {transaction_hash}
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AND header_cids.block_hash = transaction_cids.header_id
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AND header_cids.block_number = transaction_cids.block_number
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AND header_cids.canonical
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AND blocks.key = transaction_cids.cid
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AND blocks.block_number = transaction_cids.block_number
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```
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### Receipts
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Retrieve an ordered list of all the RLP encoded receipts (IPLD blocks), their CIDs, and their corresponding transaction
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hashes for a given block hash
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```sql
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SELECT receipt_cids.cid,
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blocks.data,
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eth.transaction_cids.tx_hash
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FROM eth.receipt_cids,
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eth.transaction_cids,
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eth.header_cids,
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ipld.blocks
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WHERE header_cids.block_hash = {block_hash}
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AND header_cids.block_number = {block_number}
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AND header_cids.canonical
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AND receipt_cids.block_number = header_cids.block_number
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AND receipt_cids.header_id = header_cids.block_hash
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AND receipt_cids.TX_ID = transaction_cids.TX_HASH
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AND transaction_cids.block_number = header_cids.block_number
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AND transaction_cids.header_id = header_cids.block_hash
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AND blocks.block_number = header_cids.block_number
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AND blocks.key = receipt_cids.cid
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ORDER BY eth.transaction_cids.index ASC
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```
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Retrieve the RLP encoded receipt (IPLD) and CID corresponding to a provided transaction hash
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```sql
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SELECT receipt_cids.cid,
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blocks.data
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FROM eth.receipt_cids
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INNER JOIN eth.transaction_cids ON (
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receipt_cids.tx_id = transaction_cids.tx_hash
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AND receipt_cids.block_number = transaction_cids.block_number)
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INNER JOIN ipld.blocks ON (
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receipt_cids.cid = blocks.key
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AND receipt_cids.block_number = blocks.block_number)
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WHERE transaction_cids.tx_hash = {transaction_hash}
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```
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### Logs
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Retrieve all the logs and their associated transaction hashes at a given block with that were emitted from
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any of the provided contract addresses and which match on any of the provided topics
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```sql
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SELECT blocks.data,
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eth.transaction_cids.tx_hash
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FROM eth.log_cids
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INNER JOIN eth.transaction_cids ON (
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log_cids.rct_id = transaction_cids.tx_hash
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AND log_cids.header_id = transaction_cids.header_id
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AND log_cids.block_number = transaction_cids.block_number)
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INNER JOIN ipld.blocks ON (
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log_cids.cid = blocks.key
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AND log_cids.block_number = blocks.block_number)
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WHERE log_cids.header_id = {block_hash}
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AND log_cids.block_number = {block_number}
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AND eth.log_cids.address = ANY ({list,of,addresses})
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AND eth.log_cids.topic0 = ANY ({list,of,topic0s})
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AND eth.log_cids.topic1 = ANY ({list,of,topic1s})
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AND eth.log_cids.topic2 = ANY ({list,of,topic2s})
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AND eth.log_cids.topic3 = ANY ({list,of,topic3s})
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ORDER BY eth.transaction_cids.index, eth.log_cids.index
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```
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Retrieve all the logs and their associated transaction hashes within a provided block range that were emitted from
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any of the provided contract addresses and which match on any of the provided topics
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```sql
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SELECT blocks.data,
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eth.transaction_cids.tx_hash
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FROM eth.log_cids
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INNER JOIN eth.transaction_cids ON (
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log_cids.rct_id = transaction_cids.tx_hash
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AND log_cids.header_id = transaction_cids.header_id
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AND log_cids.block_number = transaction_cids.block_number)
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INNER JOIN eth.header_cids ON (
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transaction_cids.header_id = header_cids.block_hash
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AND transaction_cids.block_number = header_cids.block_number)
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INNER JOIN ipld.blocks ON (
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log_cids.cid = blocks.key
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AND log_cids.block_number = blocks.block_number)
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WHERE eth.header_cids.block_number >= {range_start} AND eth.header_cids.block_number <= {range_stop}
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AND eth.header_cids.canonical
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AND eth.log_cids.address = ANY ({list,of,addresses})
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AND eth.log_cids.topic0 = ANY ({list,of,topic0s})
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AND eth.log_cids.topic1 = ANY ({list,of,topic1s})
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AND eth.log_cids.topic2 = ANY ({list,of,topic2s})
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AND eth.log_cids.topic3 = ANY ({list,of,topic3s})
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ORDER BY eth.header_cids.block_number, eth.transaction_cids.index, eth.log_cids.index
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```
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### State and storage
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Retrieve the state account for a given address hash at a provided block hash. If `state_cids.removed == true` then
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the account is empty.
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```sql
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SELECT state_cids.nonce,
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state_cids.balance,
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state_cids.storage_root,
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state_cids.code_hash,
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state_cids.removed
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FROM eth.state_cids,
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eth.header_cids
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WHERE state_cids.state_leaf_key = {address_hash}
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AND state_cids.block_number <=
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(SELECT block_number
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FROM eth.header_cids
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WHERE block_hash = {block_hash}
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LIMIT 1)
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AND header_cids.canonical
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AND state_cids.header_id = header_cids.block_hash
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AND state_cids.block_number = header_cids.block_number
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ORDER BY state_cids.block_number DESC
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LIMIT 1
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```
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Retrieve a storage value, as well as the RLP encoded leaf node that stores it, for a given contract address hash and
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storage leaf key (storage slot hash) at a provided block hash. If `state_leaf_removed == true`
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or `storage_cids.removed == true` then the slot is empty
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```sql
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SELECT storage_cids.cid,
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storage_cids.val,
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storage_cids.block_number,
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storage_cids.removed,
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was_state_leaf_removed_by_number(storage_cids.state_leaf_key, storage_cids.block_number) AS state_leaf_removed,
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blocks.data
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FROM eth.storage_cids,
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eth.header_cids,
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ipld.blocks
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WHERE header_cids.block_number <= (SELECT block_number from eth.header_cids where block_hash = $3 LIMIT 1)
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AND header_cids.canonical
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AND storage_cids.block_number = header_cids.block_number
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AND storage_cids.header_id = header_cids.block_hash
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AND storage_cids.storage_leaf_key = {storage_slot_hash}
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AND storage_cids.state_leaf_key = {contract_address_hash}
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AND blocks.key = storage_cids.cid
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AND blocks.block_number = storage_cids.block_number
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ORDER BY storage_cids.block_number DESC LIMIT 1
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```
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