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Security News
vlt Launches "reproduce": A New Tool Challenging the Limits of Package Provenance
vlt's new "reproduce" tool verifies npm packages against their source code, outperforming traditional provenance adoption in the JavaScript ecosystem.
@crypto/contract
Advanced tools
$ npm install -g @crypto/contract
# print all available options
$ contract -h
# specify a contract file and enter prompt mode
$ contract -f <path_to_file>
# additionally specify the RPC host and port
$ contract -h amazing.com -p 9999 -f <path_to_file>
If omitted host defaults to
localhost
and port defaults to6767
.
# compile the contract
contract$ compile
# deploy the contract
contract$ deploy
# additionally set the account address to use when deploying
contract$ deploy -a <account_address>
If omitted account address defaults to the first account
web3.eth.accounts[0]
.
# additionally set the gas amount to use when deploying
contract$ deploy -g <gas_amount>
If omitted the gas amount defaults to
1000000
.
# instantiate the contract
contract$ init -a <contract_address>
# set contract instance name
contract$ name <name>
# enter interactive REPL mode
contract$ <name>
# execute contract specific methods
contract$ name: newDocument('hash', {from: web3.eth.coinbase, gas: 1800000})
# subscribe for specific event
contract$ notereth$ DocumentEvent({}, {fromBlock: 0, toBlock: 'latest'}).watch
# subscribe for all events
contract$ notereth$ allEvents({}, {fromBlock: 0, toBlock: 'latest'}).watch
# specify contract file
$ contract -f <path_to_file>
# deploy the contract using the first unlocked account
contract$ deploy
# set contract instance name
contract$ name notereth
# enter contract interactive REPL
contract$ notereth
# execute methods from that contract
notereth$ notereth: newDocument('hash', {from: web3.eth.coinbase, gas: 1800000})
# instantiate the contract in two separate console windows at the same time
$ contract -f <path_to_file>
contract$ init -a 0x241bbd0ef9492aa17866c662b750f24003c812c6
contract$ name notereth
contract$ notereth
contract$ notereth:
# set a watcher in the first console window
contract$ notereth$ DocumentEvent({}, {fromBlock: 0, toBlock: 'latest'}).watch
Notice that the callback for the
watch
method is missing.
# execute some command in the second console window
contract$ notereth$ newDocument('hash', {from: web3.eth.coinbase, gas: 1800000})
FAQs
Ethereum Contract Tools
The npm package @crypto/contract receives a total of 1 weekly downloads. As such, @crypto/contract popularity was classified as not popular.
We found that @crypto/contract demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 2 open source maintainers collaborating on the project.
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vlt's new "reproduce" tool verifies npm packages against their source code, outperforming traditional provenance adoption in the JavaScript ecosystem.
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