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Wallet Notify

Adds the ability to perform shell executions when transactions is observed in the wallet.

How to use the Wallet Notify feature

To enable the feature in the node builder register the feature itself similar to the bellow example.

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                var builder = new FullNodeBuilder()
                            .UseNodeSettings(nodeSettings)
                            .UseBlockStore()
                            .UsePosConsensus()
                            .UseColdStakingWallet()
                            .UseApi()
                            .UseMempool()
                            .UseWalletNotify(); # This is how to enable wallet notify

Setting the shell command

Provide the -walletnotify argument, either as argument parameter on startup, or by editing the blockcore.conf file.

In the command, the value "%s" will be replaced with the transaction ID.

Example:

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-walletnotify=\"curl -X POST -d txid=%s http://localhost:5000/\"

When is the notifier triggered?

When an transaction is observed in the mempool, the notifier is run once. It is run again when the same transaction is included in a block.

When a rescan of the wallet is performed, it will re-run the notifier, but only once pr. transaction since the transactions are already in blocks.

Last update: 2021-10-24