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bitcoin: parsing feefilter messages

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snicket2100 2023-10-27 01:48:16 +02:00 committed by John Thacker
parent 5aec5b6046
commit c88e3b332e
1 changed files with 37 additions and 0 deletions
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37
epan/dissectors/packet-bitcoin.c
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@ -100,6 +100,7 @@ static int hf_bitcoin_length = -1;
static int hf_bitcoin_magic = -1;
static int hf_bitcoin_msg_addr = -1;
static int hf_bitcoin_msg_block = -1;
static int hf_bitcoin_msg_feefilter = -1;
static int hf_bitcoin_msg_filteradd = -1;
static int hf_bitcoin_msg_filterload = -1;
static int hf_bitcoin_msg_getblocks = -1;
@ -135,6 +136,7 @@ static int hf_msg_block_transactions32 = -1;
static int hf_msg_block_transactions64 = -1;
static int hf_msg_block_transactions8 = -1;
static int hf_msg_block_version = -1;
static int hf_msg_feefilter_value = -1;
static int hf_msg_filteradd_data = -1;
static int hf_msg_filterload_filter = -1;
static int hf_msg_filterload_nflags = -1;
@ -281,6 +283,11 @@ get_bitcoin_pdu_length(packet_info *pinfo _U_, tvbuff_t *tvb,
return length;
}
static void
format_feefilter_value(gchar *buf, gint64 value) {
snprintf(buf, ITEM_LABEL_LENGTH, "%.3f sat/B", ((gdouble) value) / 1000);
}
/**
* Create a services sub-tree for bit-by-bit display
*/
@ -1076,6 +1083,24 @@ dissect_bitcoin_msg_reject(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tr
return offset;
}
/**
* Handler for feefilter messages
*/
static int
dissect_bitcoin_msg_feefilter(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, void *data _U_)
{
proto_item *ti;
guint32 offset = 0;
ti = proto_tree_add_item(tree, hf_bitcoin_msg_feefilter, tvb, offset, -1, ENC_NA);
tree = proto_item_add_subtree(ti, ett_bitcoin_msg);
proto_tree_add_item(tree, hf_msg_feefilter_value, tvb, offset, 8, ENC_LITTLE_ENDIAN);
offset += 8;
return offset;
}
/**
* Handler for filterload messages
*/
@ -1852,6 +1877,16 @@ proto_register_bitcoin(void)
FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_bitcoin_msg_feefilter,
{ "Feefilter message", "bitcoin.feefilter",
FT_NONE, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_msg_feefilter_value,
{ "Minimal fee", "bitcoin.feefilter.value",
FT_UINT64, BASE_CUSTOM, CF_FUNC(format_feefilter_value), 0x0,
NULL, HFILL }
},
{ &hf_bitcoin_msg_filterload,
{ "Filterload message", "bitcoin.filterload",
FT_NONE, BASE_NONE, NULL, 0x0,
@ -2131,6 +2166,8 @@ proto_reg_handoff_bitcoin(void)
dissector_add_string("bitcoin.command", "reject", command_handle);
command_handle = create_dissector_handle( dissect_bitcoin_msg_headers, proto_bitcoin );
dissector_add_string("bitcoin.command", "headers", command_handle);
command_handle = create_dissector_handle( dissect_bitcoin_msg_feefilter, proto_bitcoin );
dissector_add_string("bitcoin.command", "feefilter", command_handle);
command_handle = create_dissector_handle( dissect_bitcoin_msg_filterload, proto_bitcoin );
dissector_add_string("bitcoin.command", "filterload", command_handle);
command_handle = create_dissector_handle( dissect_bitcoin_msg_filteradd, proto_bitcoin );