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Version: IOTA

Get Message Data

Once a message is broadcast, you can use the GetMessageBuilder helper class that you can instantiate using the Client.getMessage() function to retrieve it from the network. The GetMessageBuilder provides helper functions related to the message, such as Client.getMessage().data(str) and Client.getMessage().metadata(str):

bindings/java/examples/java-app/src/main/java/org/iota/client/example/ExampleApp.java
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Output example:

Message meta data:
{
"messageId":"e52b631bc7500366b90c6e11eb7fd6abaa7527f9bb5b4b512b0b9112bb9e7be8",
"parentMessageIds": [
"26d72339ed262c1ec29d6c91de6be26d067b3327191f5e47606df53cc40e334e",
"6289ea0aecf3830e5e8d9925959bb6e804e324bb6db23c5701f7a538d12831f6",
"fdbf2d02603235fdff99f0ceb57705ead95041d62de386387f2922e5d9f6c502",
"ffa26139ca7f9d4849e118ff369fb3a387c8fefd8d15232b8353d4acf334324c"
],
"isSolid":true,
"shouldPromote":false,
"shouldReattach":false
}

Message data:
{
"message": {
"networkId":"14379272398717627559",
"parentMessageIds": [
"27782707e4cbf84ca26b3db881bbf39b6429f9ee736a0cbe5a1c177d7a52b05d",
"61cdf92c64a3304bbbabaf9fbfb0ea7ef9624e1eedea68efbe08595ccdf853e1",
"a222d13e3ee51b56b0b0e38140a5f7f813b6d9e29b752d7e1e2424099455080d",
"ab6bca20091b58dcbb0906438a7e47bfb11621c4a37b8d118b565f7f138a40d6"
],
"payload": {
"type":2,
"index":"484f524e4554205370616d6d6572",
"data":"42696e61727920697320746865206675747572652e0a436f756e743a2031333936393530390a54696d657374616d703a20323032312d30352d33315431353a33363a30392b30323a30300a54697073656c656374696f6e3a203337c2b573"
},
"nonce":"246736"
},
"messageId":"30d87fa9917602e5685638e37802bde11b260bd2379f6c850704d7babd365b44"
}
  • Client.getMessage().metadata() provides information on how the given message fits to network structures, such as ledger_inclusion_state, etc.
  • Client.getMessage().data() provides all the data that relates to the given message and its payload(s).