Commit Graph

12 Commits

Author SHA1 Message Date
6a2c99a0bb
Implement data source and crypto host APIs (#104)
* Implement data source host APIs

* Implement crypto host API
2021-12-30 17:57:34 +05:30
8b913af93f
Implement ethereum ABI encode and decode in subgraph (#103)
* Implement ethereum ABI encode in subgraph

* Implement ethereum ABI decoding host API

* Implement ABI encode decode for array type

* Implement ABI encode decode for bytes type
2021-12-30 13:12:32 +05:30
198e49e5a0 Implement WASM instance restart to handle out of memory error (#81)
* Test case for wasm out of memory error

* Restart wasm instance after N blocks

* Handle out of memory error and re instantiate WASM

* Remove old instance from map before reinstantiating WASM
2021-12-28 16:08:05 +05:30
prathamesh0
3b835e81f8 Pass provider while instantiating the loader and use block hash while making the eth-calls (#74)
* Pass provider while instantiating the loader

* Use custom provider for graph-node tests

* Use block hash while making an eth-call
2021-12-28 16:08:05 +05:30
d4e79ceee4 Add a method in test indexer to get blocks 2021-12-28 16:08:05 +05:30
prathamesh0
3e0c84b333 Use entity column type map to create entity in store get API (#72)
* Use typeof to distinguish between BigInt and BigDecimal in store get API

* Use entity column type map to create entity in store get API

* Add entity column type map in eden-watcher
2021-12-28 16:08:05 +05:30
prathamesh0
5f03ad5029 Use pg-type numeric for bigint in entities and use custom decimal in graph-node (#71)
* Use pg-type numeric for bigint columns in typeorm entities

* Use custom decimal implementation from util in graph-node
2021-12-28 16:08:05 +05:30
prathamesh0
c79647548e Add more test cases for numeric host APIs (#66)
* Add test cases for bigInt host APIs

* Add test cases for bigDecimal fromString, plus and minus host APIs

* Add test cases for bigDecimal times and divideBy host APIs

* Throw an error on underflow or overflow in bigDecimal toString host API

* Avoid rounding of out of range bigDecimal values

* Use big number's byte size to set storage size of bigInt

* Add test cases for errors in bigDecimal host API
2021-12-28 16:08:05 +05:30
prathamesh0
970092ece2 Update graph-node tests to use dummy indexer (#65)
* Update test to call handlers to use dummy indexer

* Update graph-node tests to use dummy indexer
2021-12-28 16:08:05 +05:30
prathamesh0
b04f6f2fba Implement bigDecimal host API (#62)
* Handle negative bigInt in store host API

* Increase size of bigInt in fromString API to support UInt256

* Implement bigDecimal divideBy host API

* Implement bigDecimal plus, minus and times host API

* Implement bigInt dividedByDecimal and mod host API

* Change BN js version to that used by ethers js
2021-12-28 16:08:05 +05:30
83775608ec Implement subgraph store host API (#35)
* Implement store get api without blockHash and blockNumber

* Pass database instance to GraphWatcher

* Implement store set without block data

* Store blockHash and blockNumber in database entity table

* Implement getting entity in subgraph from store.get

* Add block data present in postgraphile

* Pass db and context to instantiate method in tests

* GQL API in graph-test-watcher to test store.set

* Remove contract address from subgraph file

* Fix block in dummy event data

* Pass just blockHash to get an entity from the database

* Review changes and add TODOs

Co-authored-by: prathamesh <prathamesh.musale0@gmail.com>
2021-12-28 16:08:05 +05:30
43d64f9e4b Invoke subgraph handler in watcher event processing (#34)
* Invoke subgraph handler in watcher event processing

* Fix error when invoking subgraph handler

* Parse events using event signature specified in subgraph yaml

* Use contract abi to parse event params

* Invoke event handler based on event signature

* Fill event with block and transaction data

* Comment missing fields in block and transaction data
2021-12-28 16:08:05 +05:30