Update maximum credits awarded per vote from 8 to 16 (#127)
This reduces the maximum penalty for voting after the grace period by roughly 50%. This new value was derived from looking at the effects that TVC at max credits 8 would have for recent epochs (500+) and noting that the effect was a bit extreme, up to and exceeding 10% "bonus" for faster voters. This change reduces that maximum bonus by roughly half. In addition, the TVC feature key has been changed.
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@ -2001,32 +2001,32 @@ mod tests {
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vec![32],
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35,
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// root: 1
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// when slot 1 was voted on in slot 9, it earned 2 credits
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2,
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// when slot 1 was voted on in slot 9, it earned 10 credits
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10,
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),
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// Now another vote, should earn one credit
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(
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vec![33],
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36,
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// root: 2
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// when slot 2 was voted on in slot 9, it earned 3 credits
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2 + 3, // 5
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// when slot 2 was voted on in slot 9, it earned 11 credits
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10 + 11, // 21
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),
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// Two votes in sequence
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(
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vec![34, 35],
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37,
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// root: 4
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// when slots 3 and 4 were voted on in slot 9, they earned 4 and 5 credits
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5 + 4 + 5, // 14
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// when slots 3 and 4 were voted on in slot 9, they earned 12 and 13 credits
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21 + 12 + 13, // 46
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),
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// 3 votes in sequence
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(
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vec![36, 37, 38],
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39,
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// root: 7
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// slots 5, 6, and 7 earned 6, 7, and 8 credits when voted in slot 9
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14 + 6 + 7 + 8, // 35
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// slots 5, 6, and 7 earned 14, 15, and 16 credits when voted in slot 9
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46 + 14 + 15 + 16, // 91
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),
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(
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// 30 votes in sequence
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@ -2036,14 +2036,36 @@ mod tests {
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],
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69,
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// root: 37
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// slot 8 was voted in slot 9, earning 8 credits
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// slots 9 - 25 earned 1 credit when voted in slot 34
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// slot 26, 27, 28, 29, 30, 31 earned 2, 3, 4, 5, 6, 7 credits when voted in slot 34
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// slot 32 earned 7 credits when voted in slot 35
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// slot 33 earned 7 credits when voted in slot 36
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// slot 34 and 35 earned 7 and 8 credits when voted in slot 37
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// slot 36 and 37 earned 7 and 8 credits when voted in slot 39
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35 + 8 + ((25 - 9) + 1) + 2 + 3 + 4 + 5 + 6 + 7 + 7 + 7 + 7 + 8 + 7 + 8, // 131
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// slot 8 was voted in slot 9, earning 16 credits
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// slots 9 - 25 earned 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 3, 4, 5, 6, 7, 8, and 9 credits when voted in
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// slot 34
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// slot 26, 27, 28, 29, 30, 31 earned 10, 11, 12, 13, 14, 15 credits when voted in slot 34
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// slot 32 earned 15 credits when voted in slot 35
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// slot 33 earned 15 credits when voted in slot 36
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// slot 34 and 35 earned 15 and 16 credits when voted in slot 37
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// slot 36 and 37 earned 15 and 16 credits when voted in slot 39
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91 + 16
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+ 9 // * 1
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+ 2
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+ 3
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+ 4
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+ 5
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+ 6
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+ 7
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+ 8
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+ 9
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+ 10
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+ 11
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+ 12
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+ 13
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+ 14
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+ 15
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+ 15
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+ 15
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+ 15
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+ 16
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+ 15
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+ 16, // 327
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),
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// 31 votes in sequence
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(
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@ -2053,11 +2075,29 @@ mod tests {
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],
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100,
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// root: 68
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// slot 38 earned 8 credits when voted in slot 39
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// slot 39 - 60 earned 1 credit each when voted in slot 69
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// slot 61, 62, 63, 64, 65, 66, 67, 68 earned 2, 3, 4, 5, 6, 7, 8, and 8 credits when
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// slot 38 earned 16 credits when voted in slot 39
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// slot 39 - 60 earned 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 3, 4, 5, 6, 7, 8, and 9 credits
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// when voted in slot 69
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// slot 61, 62, 63, 64, 65, 66, 67, 68 earned 10, 11, 12, 13, 14, 15, 16, and 16 credits when
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// voted in slot 69
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131 + 8 + ((60 - 39) + 1) + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 8, // 204
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327 + 16
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+ 14 // * 1
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+ 2
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+ 3
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+ 4
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+ 5
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+ 6
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+ 7
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+ 8
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+ 9
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+ 10
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+ 11
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+ 12
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+ 13
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+ 14
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+ 15
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+ 16
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+ 16, // 508
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),
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// Votes with expiry
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(
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@ -2066,7 +2106,7 @@ mod tests {
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// root: 74
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// slots 96 - 114 expire
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// slots 69 - 74 earned 1 credit when voted in slot 100
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204 + ((74 - 69) + 1), // 210
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508 + ((74 - 69) + 1), // 514
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),
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// More votes with expiry of a large number of votes
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(
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@ -2074,7 +2114,7 @@ mod tests {
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202,
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// root: 74
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// slots 119 - 124 expire
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210,
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514,
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),
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(
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vec![
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@ -2083,18 +2123,19 @@ mod tests {
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],
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227,
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// root: 95
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// slot 75 - 91 earned 1 credit each when voted in slot 100
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// slot 92, 93, 94, 95 earned 2, 3, 4, 5, credits when voted in slot 100
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210 + ((91 - 75) + 1) + 2 + 3 + 4 + 5, // 241
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// slot 75 - 91 earned 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 3, 4, 5, 6, 7, 8, and 9 credits when voted in
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// slot 100
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// slot 92, 93, 94, 95 earned 10, 11, 12, 13, credits when voted in slot 100
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514 + 9 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 10 + 11 + 12 + 13, // 613
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),
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(
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vec![227, 228, 229, 230, 231, 232, 233, 234, 235, 236],
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237,
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// root: 205
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// slot 115 - 118 earned 1 credit when voted in slot 130
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// slot 200 and 201 earned 8 credits when voted in slot 202
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// slot 115 - 118 earned 3, 4, 5, and 6 credits when voted in slot 130
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// slot 200 and 201 earned 16 credits when voted in slot 202
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// slots 202 - 205 earned 1 credit when voted in slot 227
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241 + 1 + 1 + 1 + 1 + 8 + 8 + 1 + 1 + 1 + 1, // 265
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613 + 3 + 4 + 5 + 6 + 16 + 16 + 1 + 1 + 1 + 1, // 667
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),
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];
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@ -2224,9 +2265,9 @@ mod tests {
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42,
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// root: 10
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Some(10),
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// when slots 1 - 6 were voted on in slot 12, they earned 1, 1, 1, 2, 3, and 4 credits
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// when slots 7 - 10 were voted on in slot 11, they earned 6, 7, 8, and 8 credits
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1 + 1 + 1 + 2 + 3 + 4 + 6 + 7 + 8 + 8,
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// when slots 1 - 6 were voted on in slot 12, they earned 7, 8, 9, 10, 11, and 12 credits
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// when slots 7 - 10 were voted on in slot 11, they earned 14, 15, 16, and 16 credits
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7 + 8 + 9 + 10 + 11 + 12 + 14 + 15 + 16 + 16,
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),
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];
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@ -45,7 +45,7 @@ const DEFAULT_PRIOR_VOTERS_OFFSET: usize = 114;
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pub const VOTE_CREDITS_GRACE_SLOTS: u8 = 2;
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// Maximum number of credits to award for a vote; this number of credits is awarded to votes on slots that land within the grace period. After that grace period, vote credits are reduced.
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pub const VOTE_CREDITS_MAXIMUM_PER_SLOT: u8 = 8;
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pub const VOTE_CREDITS_MAXIMUM_PER_SLOT: u8 = 16;
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#[frozen_abi(digest = "Ch2vVEwos2EjAVqSHCyJjnN2MNX1yrpapZTGhMSCjWUH")]
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#[derive(Serialize, Default, Deserialize, Debug, PartialEq, Eq, Clone, AbiExample)]
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@ -677,7 +677,7 @@ pub mod enable_poseidon_syscall {
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}
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pub mod timely_vote_credits {
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solana_sdk::declare_id!("2oXpeh141pPZCTCFHBsvCwG2BtaHZZAtrVhwaxSy6brS");
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solana_sdk::declare_id!("tvcF6b1TRz353zKuhBjinZkKzjmihXmBAHJdjNYw1sQ");
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}
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pub mod remaining_compute_units_syscall_enabled {
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