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Operation

Operation

Operations are objects that represent a desired change to the ledger: payments, offers to exchange currency, changes made to account options, etc. Operations are submitted to the HC Network grouped in a Transaction.

To learn more about the concept of operations in the Hc Net network, take a look at the Hc Net operations concept guide.

Operation Types

Type Type_i Description
CREATE_ACCOUNT 0 Creates a new account in Hc Net network.
PAYMENT 1 Sends a simple payment between two accounts in Hc Net network.
PATH_PAYMENT 2 Sends a path payment between two accounts in the Hc Net network.
MANAGE_OFFER 3 Creates, updates or deletes an offer in the Hc Net network.
CREATE_PASSIVE_OFFER 4 Creates an offer that won’t consume a counter offer that exactly matches this offer.
SET_OPTIONS 5 Sets account options (inflation destination, adding signers, etc.)
CHANGE_TRUST 6 Creates, updates or deletes a trust line.
ALLOW_TRUST 7 Updates the “authorized” flag of an existing trust line this is called by the issuer of the related asset.
ACCOUNT_MERGE 8 Deletes account and transfers remaining balance to destination account.
INFLATION 9 Runs inflation.
MANAGE_DATA 10 Set, modify or delete a Data Entry (name/value pair) for an account.
BUMP_SEQUENCE 11 Bumps forward the sequence number of an account.

Every operation type shares a set of common attributes and links, some operations also contain additional attributes and links specific to that operation type.

Common Attributes
Type
id number The canonical id of this operation, suitable for use as the :id parameter for url templates that require an operation’s ID.
paging_token any A paging token suitable for use as a cursor parameter.
type string A string representation of the type of operation.
type_i number Specifies the type of operation, See “Types” section below for reference.
Common Links
Relation
self Relative link to the current operation
succeeds Relative link to the list of operations succeeding the current operation.
precedes Relative link to the list of operations preceding the current operation.
effects The effects this operation triggered
transaction The transaction this operation is part of

Each operation type will have a different set of attributes, in addition to the common attributes listed above.

Create Account

Create Account operation represents a new account creation.

Attributes
Field Type Description
account string A new account that was funded.
funder string Account that funded a new account.
starting_balance string Amount the account was funded.
Example

{

"_links" : {

"effects" : {

"href" : "/operations/402494270214144/effects/{?cursor,limit,order}",

"templated" : true

},

"precedes" : {

"href" : "/operations?cursor=402494270214144&order=asc"

},

"self" : {

"href" : "/operations/402494270214144"

},

"succeeds" : {

"href" : "/operations?cursor=402494270214144&order=desc"

},

"transactions" : {

"href" : "/transactions/402494270214144"

}

},

"account" : "GCEZWKCA5VLDNRLN3RPRJMRZOX3Z6G5CHCGSNFHEYVXM3XOJMDS674JZ",

"funder" : "GBIA4FH6TV64KSPDAJCNUQSM7PFL4ILGUVJDPCLUOPJ7ONMKBBVUQHRO",

"id" : 402494270214144,

"paging_token" : "402494270214144",

"starting_balance" : "10000.0",

"type_i" : 0,

"type" : "create_account"

}

Payment

A payment operation represents a payment from one account to another. This payment can be either a simple native asset payment or a fiat asset payment.

Attributes

Field Type Description
from string Sender of a payment.
to string Destination of a payment.
asset_type string Asset type (native / alphanum4 / alphanum12)
asset_code string Code of the destination asset.
asset_issuer string Asset issuer
amount string Amount sent.

Links

Example Relation
sender /accounts/GA5WBPYA5Y4WAEHXWR2UKO2UO4BUGHUQ74EUPKON2QHV4WRHOIRNKKH2 Sending account
receiver /accounts/GCEZWKCA5VLDNRLN3RPRJMRZOX3Z6G5CHCGSNFHEYVXM3XOJMDS674JZ Receiving account

{

"_links" : {

"effects" : {

"href" : "/operations/58402965295104/effects/{?cursor,limit,order}",

"templated" : true

},

"precedes" : {

"href" : "/operations?cursor=58402965295104&order=asc"

},

"self" : {

"href" : "/operations/58402965295104"

},

"succeeds" : {

"href" : "/operations?cursor=58402965295104&order=desc"

},

"transactions" : {

"href" : "/transactions/58402965295104"

}

},

"amount" : "200.0",

"asset_type" : "native",

"from" : "GAKLBGHNHFQ3BMUYG5KU4BEWO6EYQHZHAXEWC33W34PH2RBHZDSQBD75",

"id" : 58402965295104,

"paging_token" : "58402965295104",

"to" : "GCEZWKCA5VLDNRLN3RPRJMRZOX3Z6G5CHCGSNFHEYVXM3XOJMDS674JZ",

"type_i" : 0,

"type" : "payment"

}

Path Payment

A path payment operation represents a payment from one account to another through a path. This type of payment starts as one type of asset and ends as another type of asset. There can be other assets that are traded into and out of along the path.

Attributes

Field Type Description
from string Sender of a payment.
to string Destination of a payment.
asset_code string Code of the destination asset.
asset_issuer string Destination asset issuer.
asset_type string Destination asset type (native / alphanum4 / alphanum12)
amount string Amount received.
source_asset_code string Code of the source asset.
source_asset_issuer string Source asset issuer.
source_asset_type string Source asset type (native / alphanum4 / alphanum12)
source_max string Max send amount.
source_amount string Amount sent.

{

"_links" : {

"effects" : {

"href" : "/operations/25769807873/effects/{?cursor,limit,order}",

"templated" : true

},

"precedes" : {

"href" : "/operations?cursor=25769807873\u0026order=asc"

},

"self" : {

"href" : "/operations/25769807873"

},

"succeeds" : {

"href" : "/operations?cursor=25769807873\u0026order=desc"

},

"transactions" : {

"href" : "/transactions/25769807872"

}

},

"amount" : "10.0",

"asset_code" : "EUR",

"asset_issuer" : "GCQPYGH4K57XBDENKKX55KDTWOTK5WDWRQOH2LHEDX3EKVIQRLMESGBG",

"asset_type" : "credit_alphanum4",

"from" : "GCXKG6RN4ONIEPCMNFB732A436Z5PNDSRLGWK7GBLCMQLIFO4S7EYWVU",

"id" : 25769807873,

"paging_token" : "25769807873",

"source_asset_code" : "USD",

"source_asset_issuer" : "GC23QF2HUE52AMXUFUH3AYJAXXGXXV2VHXYYR6EYXETPKDXZSAW67XO4",

"source_asset_type" : "credit_alphanum4",

"source_amount" : "10.0",

"source_max" : "10.0",

"to" : "GA5WBPYA5Y4WAEHXWR2UKO2UO4BUGHUQ74EUPKON2QHV4WRHOIRNKKH2",

"type_i" : 2,

"type" : "path_payment"

}

Manage Offer

A “Manage Offer” operation can create, update or delete an offer to trade assets in the Hc Net network. It specifies an issuer, a price and amount of a given asset to buy or sell.

When this operation is applied to the ledger, trades can potentially be executed if this offer crosses others that already exist in the ledger.

In the event that there are not enough crossing orders to fill the order completely a new “Offer” object will be created in the ledger. As other accounts make offers or payments, this offer can potentially be filled.

Attributes

Field Type Description
offer_id number Offer ID.
amount string Amount of asset to be sold.
buying_asset_code string The code of asset to buy.
buying_asset_issuer string The issuer of asset to buy.
buying_asset_type string DType of asset to buy (native / alphanum4 / alphanum12)
price string Price to buy a buying_asset
price_r Object n: price numerator, d: price denominator
selling_asset_code string The code of asset to sell.
selling_asset_issuer string The issuer of asset to sell.
selling_asset_type string Type of asset to sell (native / alphanum4 / alphanum12)

{

"_links" : {

"effects" : {

"href" : "/operations/592323234762753/effects{?cursor,limit,order}",

"templated" : true

},

"precedes" : {

"href" : "/operations?cursor=592323234762753\u0026order=asc"

},

"self" : {

"href" : "/operations/592323234762753"

},

"succeeds" : {

"href" : "/operations?cursor=592323234762753\u0026order=desc"

},

"transactions" : {

"href" : "/transactions/592323234762752"

}

},

"amount" : "100.0",

"buying_asset_code" : "CHP",

"buying_asset_issuer" : "GAC2ZUXVI5266NMMGDPBMXHH4BTZKJ7MMTGXRZGX2R5YLMFRYLJ7U5EA",

"buying_asset_type" : "credit_alphanum4",

"id" : 592323234762753,

"offer_id" : 8,

"paging_token" : "592323234762753",

"price" : "2.0",

"price_r" : {

"d" : 1,

"n" : 2

},

"selling_asset_code" : "YEN",

"selling_asset_issuer" : "GDVXG2FMFFSUMMMBIUEMWPZAIU2FNCH7QNGJMWRXRD6K5FZK5KJS4DDR",

"selling_asset_type" : "credit_alphanum4",

"type_i" : 3,

"type" : "manage_offer"

}

Create Passive Offer

“Create Passive Offer” operation creates an offer that won’t consume a counter offer that exactly matches this offer. This is useful for offers just used as 1:1 exchanges for path payments. Use Manage Offer to manage this offer after using this operation to create it.

Attributes

As in Manage Offer operation.

{

"_links" : {

"effects" : {

"href" : "/operations/1127729562914817/effects{?cursor,limit,order}",

"templated" : true

},

"precedes" : {

"href" : "/operations?cursor=1127729562914817\u0026order=asc"

},

"self" : {

"href" : "/operations/1127729562914817"

},

"succeeds" : {

"href" : "/operations?cursor=1127729562914817\u0026order=desc"

},

"transactions" : {

"href" : "/transactions/1127729562914816"

}

},

"amount" : "11.27827",

"buying_asset_code" : "USD",

"buying_asset_issuer" : "GDS5JW5E6DRSSN5XK4LW7E6VUMFKKE2HU5WCOVFTO7P2RP7OXVCBLJ3Y",

"buying_asset_type" : "credit_alphanum4",

"id" : 1127729562914817,

"offer_id" : 9,

"paging_token" : "1127729562914817",

"price" : "1.0",

"price_r" : {

"d" : 1,

"n" : 1

},

"selling_asset_type" : "native",

"type_i" : 4,

"type" : "create_passive_offer"

}

Set Options

Use “Set Options” operation to set following options to your account:

  • Set/clear account flags:
    • AUTH_REQUIRED_FLAG (0x1) - if set, TrustLines are created with authorized set to false requiring the issuer to set it for each TrustLine.
    • AUTH_REVOCABLE_FLAG (0x2) - if set, the authorized flag in TrustLines can be cleared. Otherwise, authorization cannot be revoked.
  • Set the account’s inflation destination.
  • Add new signers to the account.
  • Set home domain.

Attributes

Field Type Description
signer_key string The public key of the new signer.
signer_weight int The weight of the new signer (1-255).
master_key_weight int The weight of the master key (1-255).
low_threshold int The sum weight for the low threshold.
med_threshold int The sum weight for the medium threshold.
high_threshold int The sum weight for the high threshold.
home_domain/td> string The home domain used for reverse mapping lookup
set_flags array The array of numeric values of flags that has been set in this operation
set_flags_s array The array of string values of flags that has been set in this operation
clear_flags array The array of numeric values of flags that has been cleared in this operation
clear_flags_s array The array of string values of flags that has been cleared in this operation

{

"_links" : {

"effects" : {

"href" : "/operations/696867033714691/effects{?cursor,limit,order}",

"templated" : true

},

"precedes" : {

"href" : "/operations?cursor=696867033714691\u0026order=asc"

},

"self" : {

"href" : "/operations/696867033714691"

},

"succeeds" : {

"href" : "/operations?cursor=696867033714691\u0026order=desc"

},

"transactions" : {

"href" : "/transactions/696867033714688"

}

},

"high_threshold" : 3,

"home_domain" : "hashcashconsultants.com",

"id" : 696867033714691,

"low_threshold" : 0,

"med_threshold" : 3,

"paging_token" : "696867033714691",

"set_flags" : [

1,

],

"set_flags_s" : [

"auth_required_flag",

],

"type_i" : 5,

"type" : "set_options"

}

Change Trust

Use “Change Trust” operation to create/update/delete a trust line from the source account to another. The issuer being trusted and the asset code are in the given Asset object.

Attributes

Field Type Description
asset_code string Asset code.
asset_issuer string Asset issuer.
asset_type string Asset type (native / alphanum4 / alphanum12).
trustee string Trustee account.
trustor string Trustor account.
limit string The limit for the asset.

{

"_links" : {

"effects" : {

"href" : "/operations/574731048718337/effects{?cursor,limit,order}",

"templated" : true

},

"precedes" : {

"href" : "/operations?cursor=574731048718337\u0026order=asc"

},

"self" : {

"href" : "/operations/574731048718337"

},

"succeeds" : {

"href" : "/operations?cursor=574731048718337\u0026order=desc"

},

"transactions" : {

"href" : "/transactions/574731048718336"

}

},

"asset_code" : "CHP",

"asset_issuer" : "GAC2ZUXVI5266NMMGDPBMXHH4BTZKJ7MMTGXRZGX2R5YLMFRYLJ7U5EA",

"asset_type" : "credit_alphanum4",

"id" : 574731048718337,

"limit" : "5.0",

"paging_token" : "574731048718337",

"trustee" : "GAC2ZUXVI5266NMMGDPBMXHH4BTZKJ7MMTGXRZGX2R5YLMFRYLJ7U5EA",

"trustor" : "GDVXG2FMFFSUMMMBIUEMWPZAIU2FNCH7QNGJMWRXRD6K5FZK5KJS4DDR",

"type_i" : 6,

"type" : "change_trust"

}

Allow Trust

Updates the “authorized” flag of an existing trust line this is called by the issuer of the asset.

Heads up! Unless the issuing account has AUTH_REVOCABLE_FLAG set than the “authorized” flag can only be set and never cleared.

Attributes

Field Type Description
asset_code string Asset code.
asset_issuer string Asset issuer.
asset_type string Asset type (native / alphanum4 / alphanum12)
authorize bool true when allowing trust, false when revoking trust
trustee string Trustee account.
trustor string Trustor account.

{

"_links" : {

"effects" : {

"href" : "/operations/34359742465/effects/{?cursor,limit,order}",

"templated" : true

},

"precedes" : {

"href" : "/operations?cursor=34359742465\u0026order=asc"

},

"self" : {

"href" : "/operations/34359742465"

},

"succeeds" : {

"href" : "/operations?cursor=34359742465\u0026order=desc"

},

"transactions" : {

"href" : "/transactions/34359742464"

}

},

"asset_code" : "USD",

"asset_issuer" : "GC23QF2HUE52AMXUFUH3AYJAXXGXXV2VHXYYR6EYXETPKDXZSAW67XO4",

"asset_type" : "credit_alphanum4",

"authorize" : true,

"id" : 34359742465,

"paging_token" : "34359742465",

"trustee" : "GC23QF2HUE52AMXUFUH3AYJAXXGXXV2VHXYYR6EYXETPKDXZSAW67XO4",

"trustor" : "GBXGQJWVLWOYHFLVTKWV5FGHA3LNYY2JQKM7OAJAUEQFU6LPCSEFVXON",

"type_i" : 7,

"type" : "allow_trust"

}

Account Merge

Removes the account and transfers all remaining HCX to the destination account.

Attributes

Field Type Description
into string Account ID where funds of deleted account were transferred.

{

"_links" : {

"effects" : {

"href" : "/operations/799357838299137/effects{?cursor,limit,order}",

"templated" : true

},

"precedes" : {

"href" : "/operations?cursor=799357838299137\u0026order=asc"

},

"self" : {

"href" : "/operations/799357838299137"

},

"succeeds" : {

"href" : "/operations?cursor=799357838299137\u0026order=desc"

},

"transactions" : {

"href" : "/transactions/799357838299136"

}

},

"account" : "GBCR5OVQ54S2EKHLBZMK6VYMTXZHXN3T45Y6PRX4PX4FXDMJJGY4FD42",

"id" : 799357838299137,

"into" : "GBS43BF24ENNS3KPACUZVKK2VYPOZVBQO2CISGZ777RYGOPYC2FT6S3K",

"paging_token" : "799357838299137",

"type_i" : 8,

"type" : "account_merge"

}

Inflation

Runs inflation.

{

"_links" : {

"effects" : {

"href" : "/operations/12884914177/effects/{?cursor,limit,order}",

"templated" : true

},

"precedes" : {

"href" : "/operations?cursor=12884914177\u0026order=asc"

},

"self" : {

"href" : "/operations/12884914177"

},

"succeeds" : {

"href" : "/operations?cursor=12884914177\u0026order=desc"

},

"transactions" : {

"href" : "/transactions/12884914176"

}

},

"id" : 12884914177,

"paging_token" : "12884914177",

"type_i" : 9,

"type" : "inflation"

}

Manage Data

Set, modify or delete a Data Entry (name/value pair) for an account.

{

"_links" : {

"self" : {

"href" : "/operations/5250180907536385"

},

"transactions" : {

"href" : "/transactions/e0710d3e410fe6b1ba77fcfec9e3789e94ff29b2424f1f4bf51e530dbbdf221c"

},

"effects" : {

"href" : "/operations/5250180907536385/effects"

},

"succeeds" : {

"href" : "/effects?order=desc&cursor=5250180907536385"

},

"precedes" : {

"href" : "/effects?order=asc&cursor=5250180907536385"

}

},

"id" : 5250180907536385,

"paging_token" : "5250180907536385",

"source_account" : "GCGG3CIRBG2TTBR4HYZJ7JLDRFKZIYOAHFXRWLU62CA2QN52P2SUQNPJ",

"type" : "manage_data",

"type_i" : 10,

"name" : "lang",

"value" : "aW5kb25lc2lhbg=="

}

Bump Sequence

Bumps forward the sequence number of the source account of the operation, allowing it to invalidate any transactions with a smaller sequence number.

Attributes

Field Type Description
bumpTo number Desired value for the operation’s source account sequence number.

{

"_links" : {

"self" : {

"href" : "/operations/1743756726273"

},

"transactions" : {

"href" : "/transactions/328436a8dffaf6ca33c08a93279234c7d3eaf1c028804152614187dc76b7168d"

},

"effects" : {

"href" : "/operations/1743756726273/effects"

},

"succeeds" : {

"href" : "/effects?order=desc&cursor=1743756726273"

},

"precedes" : {

"href" : "/effects?order=asc&cursor=1743756726273"

}

},

"id" : 1743756726273,

"paging_token" : "1743756726273",

"source_account" : "GBHPJ3VMVT3X7Y6HIIAPK7YPTZCF3CWO4557BKGX2GVO4O7EZHIBELLH",

"type" : "bump_sequence",

"type_i" : 11,

"transaction_hash" : "328436a8dffaf6ca33c08a93279234c7d3eaf1c028804152614187dc76b7168d",

"bump_to : "1273737228"

}

Endpoints

Resource Type Resource URI Template
All Operations Collection /operations
Operations Details Single /operations/:id
Ledger Operations Collection /ledgers/{id}/operations{?cursor,limit,order}
Account Operations Collection /accounts/:account_id/operations
Account Payments Collection /accounts/:account_id/payments
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