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for high-level questions about the choices made during contract construction

4 votes
0 answers
97 views

What is the best way to implement the coin contract to get all coin transaction history?

What is the best way to implement the coin contract code to see all transaction history? It's easy to get the transaction history of ether, but it's kind of difficult to get all sending and receiving …
Satoshi Nakanishi's user avatar
3 votes
1 answer
260 views

Is there any UTXO based coin contract?

I'd like to create an UTXO style coin contract to trace each coin movement. There are many account based coin contracts, but I couldn't find any UTXO coin contract. Are they any samples?
Satoshi Nakanishi's user avatar
5 votes
1 answer
646 views

How does Codius differ from Ethereum?

Codius is one of smart contract platforms by Ripple which project is unfortunately suspended. What did they try to do with Codius? How does it differ from Ethereum?
Satoshi Nakanishi's user avatar
5 votes
1 answer
354 views

How are pre-sale Augur's REPs stored on the Ethereum blockchain?

Does Augur's REP exist as Ethereum coin contract? If so, does the coin contract already deployed on the Ethereum blockchain? What is the contract address for it? If not, how do you know how many RE …
Satoshi Nakanishi's user avatar
12 votes
2 answers
4k views

Why do smart contract languages need to be deterministic?

I read somewhere that smart contract languages need to be deterministic. Why?
Satoshi Nakanishi's user avatar
12 votes
2 answers
4k views

How many arguments can Solidity take?

I'd like to set lots of arguments in solidity functions. I wonder how many arguments contracts can handle. Does it depend on number of arguments or data size?
Satoshi Nakanishi's user avatar