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Questions regarding the development of smart contracts

0 votes
1 answer
194 views

reconciliation and approval using smart contract

Has anyone attempt to build smart contracts for reconciliation and approval workflows/process? E.g., if fields match, update the string variable and evoke another contract to request for approval Na …
Nathan Aw's user avatar
  • 1,954
2 votes
1 answer
315 views

Checks-Effects-Interactions Pattern - External Call not reached

What happens if one uses Checks-Effects-Interactions Pattern and the gas runs out before the last line of the code in the contract can be reached, i.e., the last line is to interact with another contr …
Nathan Aw's user avatar
  • 1,954
1 vote
1 answer
154 views

the specified location that the smart contract is deployed?

When one deploys a smart contract onto the Ethereum blockchain, is the smart contract deployed on all nodes or just a few nodes? In short. where is the specified location that the smart contract is de …
Nathan Aw's user avatar
  • 1,954
1 vote
1 answer
259 views

Is there a "Create" (Database CRUD) new entry/row item in Ethereum?

Understand that Ethereum or any other DLT for that matter is about provenance. I have a scenario where I need to insert a record/transaction row/item in the ledger. Instead of appending this record …
Nathan Aw's user avatar
  • 1,954
0 votes
1 answer
256 views

Quorum - Track State Variable Changes in Struct (Data Lineage)

I am unable to get my bytes32 variable state transition within a struct in Quorum. What I did is to I build a dashboard to loop through the blockchain to search for a particular then list out the bloc …
Nathan Aw's user avatar
  • 1,954