Hedera
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Network address book
The address book contains the node ID and node address information to communicate with Hedera node(s) in a specific network. There are two ways you can get the address book for a network.
- You can submit a
FileContentsQuery()to a consensus node for file0.0.101or0.0.102 - You can also query the Hedera mirror node using the
AddressBookQuery()
Consensus Nodes
Mirror Nodes
Java
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//Create the query
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FileContentsQuery fileQuery = new FileContentsQuery()
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.setFileId( FileId.fromString("0.0.102"));
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//Sign with the operator private key and submit to a Hedera network
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ByteString contents = fileQuery.execute(client);
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System.out.println(contents.toStringUtf8());
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//v2.0.0
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JavaScript
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//Create the query
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const fileQuery = new FileContentsQuery()
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.setFileId( FileId.fromString("102"));
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//Sign with the operator private key and submit to a Hedera network
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const contents = await fileQuery.execute(client);
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console.log(contents.toString())
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//v2.0.7
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Go
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//Create the query
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fileQuery := hedera.NewFileContentsQuery().
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SetFileID(hedera.FileIDForAddressBook())
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//Sign with the operator private key and submit to a Hedera network
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contents, err := fileQuery.Execute(client)
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if err != nil {
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panic(err)
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}
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fmt.Println(string(contents))
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//v2.0.0
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Java
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//Mirror node address book query
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NodeAddressBook addressBook = new AddressBookQuery()
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.setFileId(FileId.ADDRESS_BOOK)
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.execute(client);
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System.out.println(addressBook);
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//SDK Version: 2.10.0-beta.1
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JavaScript
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//Mirror node address book query
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const addressBook = new AddressBookQuery()
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.setFileId(FileId.ADDRESS_BOOK)
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.execute(client);
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console.log(addressBook);
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//SDK Version: 2.10.0
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Go
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//Mirror node address book
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addressBook, err := hedera.NewAddressBookQuery().
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SetFileID(hedera.FileIDForAddressBook()).
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Execute(client)
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//Print address book to console
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fmt.Print(addressBook)
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//SDK Version: 2.10.0
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Sample Output:
35.231.208.1480.0.3"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:`ffd6ada74a3a34a904bea47603086f8bef3b6be18abed44c4d40e12fb130b97bd6b855aec5d0b90b0b8c7354d5f3b0e4B
35.199.15.1770.0.4"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(2:`f0d94accf6dff372874c9dbd8d7992eb317af5001ca4196aba265809cb3d200ba961a5438c3a5ed05c83bdf9cd115d22B
35.225.201.1950.0.5"308201a2300d06092a864886f70d01010105000382018f003082018a02820181009ba457b73305f04a91cc46b1b965c4e841751abc8b1415a0badfd1f32c2482386a22725eb7ec74dea21e50617d648ea5ac393741ab01b8efb321239b8d4fdb1dfbeb9e3f39aa46580dd045d18ca44d002c37ddb527cce4ddc32bfc73419671f4ca4464a3f2a84fc85c71acf0e5a89626df69a81474ed16529f801a8afa97e435c4e04a964a357527288843e58f0a05cf5153ee4507b2c68b3d7fb54ae6a95a959c87a12f630e95c7b1b3c3695e858662417926d76c16983faf61225038745907e9cf13d67c2acd503ca451c85933ac4118acc279801cb968349903145ced27629dd08916317093587a77c2205cfa52543b53c3b6ea15b84e3d2c30c1ed752a4633c36b25b9893ea02ad562eb9b7868b3b4f47f4a25e356064962ac7b25e582944f00d30798a262f9214d8c5e74d0a8376cc2d6ba64e18f5e4a40afac625062d2ca23cd2800708321d3834314f0e5844859232673a32e70ae0d711e310581bcdb14e87134694c6e0930f46b37b96d49a64573947331e7e507d9e56de5e6146f2f0203010001(2:`ca678ebcbd3dc8648f7ed03fb59f0e21af67513eaee51318e6b549be5ace906edc1ffa26d93a57acec9be77f40eaeed7B
35.247.109.1350.0.6"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(2:`2471f3fe8140681fe91913d2cc063f065e4490ae62ff5d548a5abe131d2af96cbe3ac25bbe24366ca4f8f0e76cf945f3B
35.235.65.510.0.7"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(2:`f357873d4114a1aef03adc6ba69efaf2690e227abc16a6fc6e5049a63fbd9688004b14e463c20e38436a3a24d3182dd8B
34.106.247.650.0.8"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(2:`4931a78202d55f10b31575785c3f439db6819bd11003df7bc2ce92e29a517b7c21880deb4c01795744b576cd43b8498dB
34.125.23.490.0.9"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(2 :`64e098615bf405f7ed5a4013446b89c488cfcd6bb25a4a676dc77eea11d33d702682f0a69a8030e8c5777d0e42203799B
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