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Add DepositPreauth ledger type and transaction (RIPD-1624):

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The lsfDepositAuth flag limits the AccountIDs that can deposit into
the account that has the flag set.  The original design only
allowed deposits to complete if the account with the flag set also
signed the transaction that caused the deposit.

The DepositPreauth ledger type allows an account with the
lsfDepositAuth flag set to preauthorize additional accounts.
This preauthorization allows them to sign deposits as well.  An
account can add DepositPreauth objects to the ledger (and remove
them as well) using the DepositPreauth transaction.
This commit is contained in:
Scott Schurr
2018-04-20 13:16:17 -07:00
committed by seelabs
parent b444196bf9
commit 008ff67ac2
56 changed files with 1589 additions and 177 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
src/ripple/protocol/impl/Feature.cpp
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@@ -110,7 +110,8 @@ detail::supportedAmendments ()
{ "157D2D480E006395B76F948E3E07A45A05FE10230D88A7993C71F97AE4B1F2D1 Checks" },
{ "7117E2EC2DBF119CA55181D69819F1999ECEE1A0225A7FD2B9ED47940968479C fix1571" },
{ "CA7C02118BA27599528543DFE77BA6838D1B0F43B447D4D7F53523CE6A0E9AC2 fix1543" },
{ "58BE9B5968C4DA7C59BA900961828B113E5490699B21877DEF9A31E9D0FE5D5F fix1623" }
{ "58BE9B5968C4DA7C59BA900961828B113E5490699B21877DEF9A31E9D0FE5D5F fix1623" },
{ "3CBC5C4E630A1B82380295CDA84B32B49DD066602E74E39B85EF64137FA65194 DepositPreauth"}
};
return supported;
}
@@ -163,5 +164,6 @@ uint256 const featureChecks = *getRegisteredFeature("Checks");
uint256 const fix1571 = *getRegisteredFeature("fix1571");
uint256 const fix1543 = *getRegisteredFeature("fix1543");
uint256 const fix1623 = *getRegisteredFeature("fix1623");
uint256 const featureDepositPreauth = *getRegisteredFeature("DepositPreauth");
} // ripple

16
src/ripple/protocol/impl/Indexes.cpp
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@@ -198,6 +198,15 @@ getCheckIndex (AccountID const& account, std::uint32_t uSequence)
std::uint32_t(uSequence));
}
uint256
getDepositPreauthIndex (AccountID const& owner, AccountID const& preauthorized)
{
return sha512Half(
std::uint16_t(spaceDepositPreauth),
owner,
preauthorized);
}
//------------------------------------------------------------------------------
namespace keylet {
@@ -300,6 +309,13 @@ Keylet check_t::operator()(AccountID const& id,
getCheckIndex(id, seq) };
}
Keylet depositPreauth_t::operator()(AccountID const& owner,
AccountID const& preauthorized) const
{
return { ltDEPOSIT_PREAUTH,
getDepositPreauthIndex(owner, preauthorized) };
}
//------------------------------------------------------------------------------
Keylet unchecked (uint256 const& key)

8
src/ripple/protocol/impl/LedgerFormats.cpp
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@@ -168,6 +168,14 @@ LedgerFormats::LedgerFormats ()
<< SOElement (sfPreviousTxnID, SOE_REQUIRED)
<< SOElement (sfPreviousTxnLgrSeq, SOE_REQUIRED)
;
add ("DepositPreauth", ltDEPOSIT_PREAUTH)
<< SOElement (sfAccount, SOE_REQUIRED)
<< SOElement (sfAuthorize, SOE_REQUIRED)
<< SOElement (sfOwnerNode, SOE_REQUIRED)
<< SOElement (sfPreviousTxnID, SOE_REQUIRED)
<< SOElement (sfPreviousTxnLgrSeq, SOE_REQUIRED)
;
}
void LedgerFormats::addCommonFields (Item& item)

2
src/ripple/protocol/impl/SField.cpp
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@@ -220,6 +220,8 @@ SF_Account const sfAccount = make::one<SF_Account::type>(&sfAccount, STI
SF_Account const sfOwner = make::one<SF_Account::type>(&sfOwner, STI_ACCOUNT, 2, "Owner");
SF_Account const sfDestination = make::one<SF_Account::type>(&sfDestination, STI_ACCOUNT, 3, "Destination");
SF_Account const sfIssuer = make::one<SF_Account::type>(&sfIssuer, STI_ACCOUNT, 4, "Issuer");
SF_Account const sfAuthorize = make::one<SF_Account::type>(&sfAuthorize, STI_ACCOUNT, 5, "Authorize");
SF_Account const sfUnauthorize = make::one<SF_Account::type>(&sfUnauthorize, STI_ACCOUNT, 6, "Unauthorize");
SF_Account const sfTarget = make::one<SF_Account::type>(&sfTarget, STI_ACCOUNT, 7, "Target");
SF_Account const sfRegularKey = make::one<SF_Account::type>(&sfRegularKey, STI_ACCOUNT, 8, "RegularKey");

3
src/ripple/protocol/impl/TER.cpp
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@@ -72,6 +72,7 @@ transResults()
{ tecCRYPTOCONDITION_ERROR, { "tecCRYPTOCONDITION_ERROR", "Malformed, invalid, or mismatched conditional or fulfillment." } },
{ tecINVARIANT_FAILED, { "tecINVARIANT_FAILED", "One or more invariants for the transaction were not satisfied." } },
{ tecEXPIRED, { "tecEXPIRED", "Expiration time is passed." } },
{ tecDUPLICATE, { "tecDUPLICATE", "Ledger object already exists." } },
{ tefALREADY, { "tefALREADY", "The exact transaction was already in this ledger." } },
{ tefBAD_ADD_AUTH, { "tefBAD_ADD_AUTH", "Not authorized to add account." } },
@@ -138,6 +139,8 @@ transResults()
{ temUNKNOWN, { "temUNKNOWN", "The transaction requires logic that is not implemented yet." } },
{ temDISABLED, { "temDISABLED", "The transaction requires logic that is currently disabled." } },
{ temBAD_TICK_SIZE, { "temBAD_TICK_SIZE", "Malformed: Tick size out of range." } },
{ temINVALID_ACCOUNT_ID, { "temINVALID_ACCOUNT_ID", "Malformed: A field contains an invalid account ID." } },
{ temCANNOT_PREAUTH_SELF, { "temCANNOT_PREAUTH_SELF", "Malformed: An account may not preauthorize itself." } },
{ terRETRY, { "terRETRY", "Retry transaction." } },
{ terFUNDS_SPENT, { "terFUNDS_SPENT", "Can't set password, password set funds already spent." } },

5
src/ripple/protocol/impl/TxFormats.cpp
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@@ -156,6 +156,11 @@ TxFormats::TxFormats ()
add ("CheckCancel", ttCHECK_CANCEL)
<< SOElement (sfCheckID, SOE_REQUIRED)
;
add ("DepositPreauth", ttDEPOSIT_PREAUTH)
<< SOElement (sfAuthorize, SOE_OPTIONAL)
<< SOElement (sfUnauthorize, SOE_OPTIONAL)
;
}
void TxFormats::addCommonFields (Item& item)