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73 lines
1.9 KiB
C
73 lines
1.9 KiB
C
//------------------------------------------------------------------------------
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/*
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Copyright (c) 2011-2013, OpenCoin, Inc.
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*/
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//==============================================================================
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#ifndef RIPPLE_PROTOCOL_H
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#define RIPPLE_PROTOCOL_H
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/** Protocol specific constants, types, and data.
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This information is part of the Ripple protocol. Specifically,
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it is required for peers to be able to communicate with each other.
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@note Changing these will create a hard fork.
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@ingroup protocol
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@defgroup protocol
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*/
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struct Protocol
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{
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/** Smallest legal byte size of a transaction.
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*/
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static int const txMinSizeBytes = 32;
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/** Largest legal byte size of a transaction.
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*/
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static int const txMaxSizeBytes = 1024 * 1024; // 1048576
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};
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/*
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Hashes are used to uniquely identify objects like
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transactions, peers, validators, and accounts.
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For historical reasons, some hashes are 256 bits and some are 160.
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David:
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"The theory is that you may need to communicate public keys
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to others, so having them be shorter is a good idea. plus,
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you can't arbitrarily tweak them because you wouldn't know
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the corresponding private key anyway. So the security
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requirements aren't as great."
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*/
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/** A ledger hash.
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*/
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typedef uint256 LedgerHash;
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/** A ledger index.
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*/
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// VFALCO TODO pick one. I like Index since its not an abbreviation
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typedef uint32 LedgerIndex;
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// VFALCO NOTE "LedgerSeq" appears in some SQL statement text
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typedef uint32 LedgerSeq;
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/** A transaction identifier.
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*/
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// VFALCO TODO maybe rename to TxHash
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typedef uint256 TxID;
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/** A transaction index.
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*/
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typedef uint32 TxSeq; // VFALCO NOTE Should read TxIndex or TxNum
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/** An account hash.
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The hash is used to uniquely identify the account.
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*/
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//typedef uint160 AccountHash;
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//typedef uint260 ValidatorID;
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#endif
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