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doc multisignreserve changes

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Jennifer Hasegawa
2019-01-24 09:27:45 -08:00
parent 30d051b8a7
commit f491d09605
4 changed files with 34 additions and 18 deletions
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content/references/rippled-api/ledger-data-formats/ledger-object-types/signerlist.md
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@@ -42,16 +42,16 @@ The `SignerList` object type represents a list of parties that, as a group, are
A `SignerList` object has the following fields:
| Name | JSON Type | Internal Type | Description |
|-----------------|-----------|---------------|-------------|
| `LedgerEntryType` | String | UInt16 | The value `0x0053`, mapped to the string `SignerList`, indicates that this object is a SignerList object. |
| `Flags` | Number | UInt32 | A bit-map of boolean flags. No flags are defined for the SignerList type, so this value is always `0`. |
| `PreviousTxnID` | String | Hash256 | The identifying hash of the transaction that most recently modified this object. |
| `PreviousTxnLgrSeq` | Number | UInt32 | The [index of the ledger][Ledger Index] that contains the transaction that most recently modified this object. |
| `OwnerNode` | String | UInt64 | A hint indicating which page of the owner directory links to this object, in case the directory consists of multiple pages. |
| `SignerEntries` | Array | Array | An array of SignerEntry objects representing the parties who are part of this signer list. |
| `SignerListID` | Number | UInt32 | An ID for this signer list. Currently always set to `0`. If a future [amendment](amendments.html) allows multiple signer lists for an account, this may change. |
| `SignerQuorum` | Number | UInt32 | A target number for signer weights. To produce a valid signature for the owner of this SignerList, the signers must provide valid signatures whose weights sum to this value or more. |
| Name | JSON Type | Internal Type | Description |
|:--------------------|:----------|:--------------|:---------------------------|
| `LedgerEntryType` | String | UInt16 | The value `0x0053`, mapped to the string `SignerList`, indicates that this object is a SignerList object. |
| `Flags` | Number | UInt32 | A bit-map of boolean flags. Without the [MultiSignReserve amendment](known-amendments.html#multisignreserve), no flags are defined for the SignerList type, so this value is always 0. With the [MultiSignReserve amendment](known-amendments.html#multisignreserve) enabled, a flag is defined for the SignerList type, so this value can be bit-map of a boolean flag enabled for this account. |
| `PreviousTxnID` | String | Hash256 | The identifying hash of the transaction that most recently modified this object. |
| `PreviousTxnLgrSeq` | Number | UInt32 | The [index of the ledger][Ledger Index] that contains the transaction that most recently modified this object. |
| `OwnerNode` | String | UInt64 | A hint indicating which page of the owner directory links to this object, in case the directory consists of multiple pages. |
| `SignerEntries` | Array | Array | An array of SignerEntry objects representing the parties who are part of this signer list. |
| `SignerListID` | Number | UInt32 | An ID for this signer list. Currently always set to `0`. If a future [amendment](amendments.html) allows multiple signer lists for an account, this may change. |
| `SignerQuorum` | Number | UInt32 | A target number for signer weights. To produce a valid signature for the owner of this SignerList, the signers must provide valid signatures whose weights sum to this value or more. |
The `SignerEntries` may be any combination of funded and unfunded addresses that use either secp256k1 or ed25519 keys.
@@ -59,16 +59,30 @@ The `SignerEntries` may be any combination of funded and unfunded addresses that
Each member of the `SignerEntries` field is an object that describes that signer in the list. A SignerEntry has the following fields:
| Name | JSON Type | Internal Type | Description |
|-----------------|-----------|---------------|-------------|
| `Account` | String | AccountID | An XRP Ledger address whose signature contributes to the multi-signature. It does not need to be a funded address in the ledger. |
| `SignerWeight` | Number | UInt16 | The weight of a signature from this signer. A multi-signature is only valid if the sum weight of the signatures provided meets or exceeds the SignerList's `SignerQuorum` value. |
| Name | JSON Type | Internal Type | Description |
|:---------------|:----------|:--------------|:--------------------------------|
| `Account` | String | AccountID | An XRP Ledger address whose signature contributes to the multi-signature. It does not need to be a funded address in the ledger. |
| `SignerWeight` | Number | UInt16 | The weight of a signature from this signer. A multi-signature is only valid if the sum weight of the signatures provided meets or exceeds the SignerList's `SignerQuorum` value. |
When processing a multi-signed transaction, the server dereferences the `Account` values with respect to the ledger at the time of transaction execution. If the address _does not_ correspond to a funded [AccountRoot object](accountroot.html), then only the master secret associated with that address can be used to produce a valid signature. If the account _does_ exist in the ledger, then it depends on the state of that account. If the account has a Regular Key configured, the Regular Key can be used. The account's master key can only be used if it is not disabled. A multi-signature cannot be used as part of another multi-signature.
## {{currentpage.name}} Flag
_Requires the [MultiSignReserve Amendment](known-amendments.html#multisignreserve)._
SignerList objects can have the following flag value:
| Flag Name | Hex Value | Decimal Value | Description |
|:-----------------|:-----------|:--------------|:-------------------------------|
| lsfOneOwnerCount | 0x00010000 | 65536 | This flag is set by the [SignerListSet transaction](signerlistset.html) when you create a new SignerList, or replace or remove a SignerList that was created before the MultiSignReserve amendment was enabled. Setting this flag enables the XRP Ledger to lower the [`OwnerCount`](accountroot.html#accountroot-fields) and [owner reserve](reserves.html#owner-reserves) for a SignerList as provided by the MultiSignReserve amendment. For example, when you create a SignerList after the MultiSignReserve amendment is enabled, this flag is set, your `OwnerCount` is increased by 1, and your owner reserve is increased by 5 XRP. When you replace a SignerList that was created before the MultiSignReserve amendment was enabled, this flag is set, your `OwnerCount` and owner reserve for the replaced SignerList are removed, your `OwnerCount` is increased by 1, and your owner reserve is increased by 5 XRP. When you remove a SignerList that was created before the MultiSignReserve amendment was enabled, this flag is set and your `OwnerCount` and owner reserve for the SignerList you removed are removed. |
## SignerLists and Reserves
A SignerList contributes to its owner's [reserve requirement](reserves.html). The SignerList itself counts as two objects, and each member of the list counts as one. As a result, the total owner reserve associated with a SignerList is anywhere from 3 times to 10 times the reserve required by a single trust line ([RippleState](ripplestate.html)) or [Offer](offer.html) object in the ledger.
A SignerList contributes to its owner's [reserve requirement](reserves.html).
Without the [MultiSignReserve Amendment](known-amendments.html#multisignreserve), the SignerList itself counts as two objects, and each member of the list counts as one. As a result, the total owner reserve associated with a SignerList is anywhere from 3 times to 10 times the reserve required by a single trust line ([RippleState](ripplestate.html)) or [Offer](offer.html) object in the ledger.
With the [MultiSignReserve Amendment](known-amendments.html#multisignreserve) enabled, the SignerList counts as one object, regardless of how many members it has. As a result, the owner reserve associated with a SignerList is 5 XRP, regardless of how many members it has.
## SignerList ID Format